BLACK WARRIOR WIRELINE CORP
8-K, 1997-10-24
OIL & GAS FIELD SERVICES, NEC
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                       Securities and Exchange Commission
                             Washington, D.C. 20549

                                    FORM 8-K

                                 Current Report
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported)
                                 OCTOBER 9, 1997


                          BLACK WARRIOR WIRELINE CORP.
             (Exact name of registrant as specified in its charter)


DELAWARE                                 0-18754                      11-2904094
(State or other jurisdiction    (Commission File Number)           (IRS Employer
of incorporation)                                            Identification No.)


               3748 HIGHWAY 45 NORTH, COLUMBUS, MISSISSIPPI 39701
                    (Address of principal executive offices)


       Registrant's telephone number, including area code: (601) 329-1047


          (Former name or former address, if changed since last report)


<PAGE>



ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS

     Diamondback Acquisition.  On October 9, 1997, pursuant to an agreement (the
"Agreement") entered into on September 26, 1997, the Company acquired, effective
as of  September  1,  1997,  all of the  business  and  assets,  subject  to the
disclosed  liabilities,  of Diamondback  Directional,  Inc., a Texas corporation
("DDI").  DDI is  engaged  in  providing  oil and gas  well  drilling  services,
primarily in the Texas and Louisiana region, and specializes in short and medium
horizontal drilling as well as conventional  directional drilling.  The business
will be operated as the Diamondback Division of the Company.

     The purchase price for the business and assets  acquired was  approximately
$9,091,000,  of which $2,750,000 was paid in cash, $3,341,000 by issuance of the
Company's   promissory  notes  bearing  interest  at  6.5%  per  annum,  payable
quarterly,  and due on August 31, 1999,  and  $3,000,000  by issuance of 647,569
shares  of the  Company's  Common  Stock.  The  purchase  price  is  subject  to
adjustment, by reduction of the principal amount of the notes, to the extent the
gross receipts from the  Diamondback  Division  operations for the twelve months
ended  August 31, 1998 and August 31, 1999 fail to meet a specified  performance
standard.  The  Company  has  agreed  that in the event it files a  registration
statement  under the Securities Act of 1933 relating to an  underwritten  public
offering of its shares,  the holder of the shares issued in the transaction will
have certain rights to have the shares included in the registration statement.

     Pursuant  to the  Agreement,  at  the  closing  the  Company  entered  into
five-year  employment  agreements  with each of Alan Mann and Dale  Jowers,  the
principal  shareholders,  officers and  Directors of DDI,  providing  for annual
salaries of $225,000 and $175,000, respectively,  pursuant to which such persons
are to be employed by the Company in the  Diamondback  Division.  The employment
agreements contain confidentiality and non-competition  provisions.  The Company
agreed in the Agreement to reserve  250,000 shares of Common Stock for the grant
of options under the Company's  Omnibus Stock Option Plan to persons employed by
the  Diamondback  Division and also agreed to make the sum of  approximately  $4
million  available to the Diamondback  Division,  in the form of a loan or other
financial  undertaking,  for capital improvements which sum is anticipated to be
invested in 1998 and 1999.

                                       2

<PAGE>


     See Item 5. Other  Events,  below,  for a  description  of the terms of the
agreement  pursuant to which the Company  borrowed  $2.9  million from St. James
Capital  Partners,  L.P. the proceeds of which were used to pay the cash portion
of the purchase price for the assets acquired from DDI and other expenses of the
transaction.


ITEM 5. OTHER EVENTS

     On October 9, 1997, the Company  entered into an Agreement for Purchase and
Sale (the "Note Purchase Agreement") with St. James Capital Partners, L.P. ("St.
James"),  a Delaware  limited  partnership,  whereby St. James purchased and the
Company sold its $2.9 million  convertible  promissory note (the "Note") bearing
interest  at 7% per annum due on  October  9, 1999.  Payment  of  principal  and
interest on the Note is  collateralized  by substantially  all the assets of the
Company.  The Note is convertible into shares of the Company's Common Stock at a
conversion price of $4.6327 per share,  subject to anti-dilution  adjustment for
certain  issuances  of  securities  by the Company at prices per share of Common
Stock less than the  conversion  price then in effect.  St.  James has agreed to
subordinate its security  interests and rights to the  indebtedness and security
interests of the lenders  providing  up to $4.5 million  pursuant to a term loan
and $3.0  million  pursuant to a  revolving  credit  facility,  neither of which
financings have yet been arranged. St. James was also issued in consideration of
a payment of $36,250 a warrant  (the  "Warrant")  to  purchase an  aggregate  of
725,000  shares of Common  Stock  exercisable  at a price of $4.6327  per share,
subject to anti-dilution  adjustment for certain  issuances of securities by the
Company at prices per share of Common Stock less than the exercise price then in
effect.  The shares  issuable  on  conversion  of the Note and  exercise  of the
Warrant have demand and piggy-back  registration rights under the Securities Act
of 1933.  The Company  agreed that one person  designated  by St. James would be
nominated for election to the Company's Board of Directors. The Agreement grants
St.  James  certain  preferential  rights to provide  future  financings  to the
Company,  subject to certain  exceptions.  The Note contains various affirmative
and   negative   covenants,   including  a   prohibition   against  the  Company
consolidating,  merging or entering into a share  exchange with another  person,
with certain  exceptions,  without the consent of St.  James.  Events of default
under the Note  include,  among  other  events,  (i) a default in the payment of
principal  or  interest  on the Note;  (ii) a default  under the 9%  Convertible
Promissory Note in the principal amount of $2.0 million dated as of June 5, 1997
and on the 10%  Bridge  Loan  Promissory  Note in the  principal  amount of $3.0
million  dated as of June 5, 1997  issued to St.  James in June 1997 (the  "June
1997 St. James Transaction") and the failure to cure such default for five days;
(iii) a breach of the Company's covenants,  representations and


                                       3
<PAGE>

warranties under the Agreement,  or the Purchase and Sale Agreement entered into
in connection with the June 1997 St. James Transaction;  (iv) a breach under the
other  agreements  between  the  Company  and  St.  James,  subject  to  certain
exceptions;  (v) any  person or group of  persons  acquiring  40% or more of the
voting power of the Company's  outstanding  shares who was not the owner thereof
as of October  10,  1997,  a merger of the  Company  with  another  person,  its
dissolution or liquidation or a sale of all or substantially all its assets; and
(vi) certain events of bankruptcy. In the event of a default under the Note, St.
James could seek to foreclose  against the collateral for the Note. In addition,
such default  would be a default under the notes issued to St. James in the June
1997 St. James Transaction.  St. James received an origination fee of $36,250 in
connection with the transaction.

     In the Agreement,  St. James agreed to convert its $2.9 million convertible
note dated June 5, 1997 (the  "Original  Convertible  Note")  into shares of the
Company's  Common  Stock at such time as the  Company  has filed a  registration
statement  under the Securities  Act of 1933 relating to the shares  issuable on
conversion  of the  Original  Convertible  Note,  the Note,  on  exercise of the
warrants  issued in connection  with the sale by the Company of the notes in the
June  1997 St.  James  Transaction,  and on  exercise  of the  Warrant  and such
registration statement has been declared effective.

     Of the $2.9  million  proceeds  from the sale of the Note,  $2,750,000  was
applied  to the  purchase  of the  DDI  assets  and the  balance  was  used  for
transaction expenses.


ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.

(a)  Financial statements of business acquired.

     It is  impracticable  for the  Company to provide  the  required  financial
statements  for DDI at the time this Current  Report on Form 8-K is filed.  Such
financial statements will be filed as soon as practicable, but not later than 60
days after the date this Current Report on Form 8-K is required to be filed.

(b)  Pro forma financial information.


                                       4
<PAGE>

     It is  impracticable  for the  Company to provide  the  required  pro forma
financial  information  for DDI at the time this  Current  Report on Form 8-K is
filed. Such pro forma information will be filed as soon as practicable,  but not
later than 60 days after the date this Current Report on Form 8-K is required to
be filed.

(c)  Exhibits

     10.1 Asset Purchase  Agreement  dated as of September 1, 1997 between Black
Warrior Wireline Corp. and Diamondback Directional,  Inc., Alan Mann and Michael
Dale Jowers.

     10.2  Employment  Agreement  effective  as of September 1, 1997 between the
Company and Alan Mann.

     10.3  Employment  Agreement  effective  as of September 1, 1997 between the
Company and Michael Dale Jowers.

     10.4  Registration  Rights  Agreement  dated  October 10, 1997  between the
Company and DDI.

     10.5 $3.0 million  promissory note and $341,096  promissory note due August
31, 1999 issued to DDI.

     10.6  Agreement  for Purchase and Sale dated  October 9, 1997 between Black
Warrior Wireline Corp. and St. James Capital Partners, L.P.

     10.7 $2,900,000  Convertible  Promissory Note dated October 10, 1997 issued
to St. James Capital Partners, L.P.

     10.8 Warrant  dated October 10, 1997 to purchase  725,000  shares of Common
Stock issued to St. James Capital Partners, L.P.

     10.9 Amendment No. 1 to Registration Rights Agreement between Black Warrior
Wireline Corp. and St. James Capital Partners, L.P. dated October 10, 1997.



                                       5
<PAGE>


                                   SIGNATURES

     Pursuant to the  requirements  of the  Securities and Exchange Act of 1934,
the  Registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                                    BLACK WARRIOR WIRELINE CORP.





Dated:  October 24, 1997                    By:    /s/ William L. Jenkins
                                                   -----------------------------
                                                   William L. Jenkins, President


                                       6




                            ASSET PURCHASE AGREEMENT

     Agreement made and entered effective the first day of September,  1997 (the
"Effective  Date")  between and among BLACK WARRIOR  WIRELINE  CORP., a Delaware
corporation  with its  principal  place of business at 3748  Highway 45,  North,
Columbus,  Mississippi  (hereinafter referred to as "Purchaser") and DIAMONDBACK
DIRECTIONAL,  INC., a Texas corporation,  which includes its successor by way of
name change  (hereinafter  referred to as "Seller" or the  "Corporation")  along
with ALAN MANN and MICHAEL DALE JOWERS (hereinafter referred to as "Principals")
who are the  holders  of  eighty-five  percent  of all stock of all  classes  of
Seller.

     WHEREAS, Purchaser and Principals are the parties to that certain Letter of
Intent dated  September  3, 1997,  relating to the  acquisition  by Purchaser of
Principals' shares in the Corporation;

     WHEREAS, the parties desire to amend the letter of intent so that Purchaser
acquires all of the assets of Seller,  and to further record their agreement and
provide for the closing thereof.

     NOW, THEREFORE, the parties agree as follows:


<PAGE>

                                I. Sale of Assets

     Subject to the terms and conditions set forth below,  and to the payment of
the Purchase Price set forth in paragraph 2 herein,  the sufficiency of which is
hereby  acknowledged,  Purchaser  agrees  to buy and  Seller  agrees to sell and
convey clear and merchantable  title to Purchaser of all of Seller's assets (the
"Assets"),  free and  clear of all liens  and  encumbrances,  upon the terms and
conditions set forth below. Unless excluded herein the Assets include all of the
assets needed by the Corporation for its continued operation, utilizing the same
means of operation as employed by the Corporation in the past, and include,  but
are not limited to:

        1.1 The trade name Diamondback Directional, and all related trade names,
trademarks, emblems and descriptions related thereto;

        1.2  All  of the  assets  of  the  Corporation  used  or  useful  in the
directional  drilling  business,  whether or not in currently useable condition,
including, but not limited to:

             1.2.1 Cash,  investment accounts,  certificates of deposit,  bonds,
prepaid  insurance,   prepaid  utilities,   and  all  other  deposits  and  cash
equivalents of every kind and character,  provided that at Closing,  the balance
of Seller's  existing  banking  and  investment  accounts  shall be paid over to
Purchaser by wire transfer,  with the exception that the $100,000  Earnest Money
provided for by this Agreement shall be retained by Seller.


                                       2
<PAGE>

             1.2.2 Copies of the books and records of the Corporation, including
a copy of the Corporation  Books, as described  above,  and all other accounting
and bookkeeping  records of every kind and character,  including but not limited
to, all computer hardware and software; files; invoices;  receipts;  indications
of payment; cancelled checks; bank statements and reconciliations, etc;

             1.2.3 Telephone Numbers. The telephone numbers, as follows:

                (800) 769 5988, (281) 363 2299 and (409) 447 2252

             1.2.4 All customer lists;

             1.2.5 All  leases,  including  the  Equipment  Leases  and the Real
Property Lease;

             1.2.6 All vehicles;

             1.2.7 The Receivables.

                                       3
<PAGE>

                               II. Purchase Price

     The Purchase Price for the Assets shall be the sum of:

        2.1 the "Earnest Money" paid upon execution of the Letter of Intent, the
sum of one hundred thousand dollars ($100,000);

        2.2  $2,650,000.00  in cash,  which  shall not be offset by the  Earnest
Money, to be delivered by wire transfer to the account of Seller at Closing;

        2.3 a note (which is one of the "Notes"), in the form attached hereto as
Schedule 2.3, for the sum of  $3,000,000.00,  said note bearing  interest at the
rate of Six and One-Half  Percent (6 1/2%),  interest to be paid quarterly,  and
the principal to be due August 31, 1999, and which Note is subject to adjustment
as provided in Sections 3.3 and 9.8 hereof;

        2.4 a note (which is one of the "Notes"), in the form attached hereto as
Schedule 2.3, for one-half of "net  receivables",  as defined herein,  said note
bearing interest at the rate of Six and One-Half  Percent (6 1/2%),  interest to
be paid  quarterly,  and the principal to be due August 31, 1999, and which Note
is subject to adjustment as provided in Sections 3.3 and 9.8 hereof;

        2.5 six hundred forty-seven  thousand five hundred sixty-nine  (647,569)
shares  of  unregistered  common  stock  in  Purchaser  with a  total  value  of
$3,000,000.00,  based  on the  average  bid  price  of  BWWC  stock  during  the
twenty-one (21) days immediately prior to August 28, 1997, which was $4.6327;

        2.6 Assumption of the Payables, as that term is hereafter defined; and

        2.7 Reservation of the Stock Options provided for in Section 8.6 hereof.

                                       4
<PAGE>

                         III. Closing Financing Matters

        3.1 Certain Definitions.  As used in this Agreement, the following terms
are defined as:

             3.1.1  Payables.  The  debts  of the  Corporation,  but only to the
extent reflected on the Closing Financial Exhibit, as hereinafter  defined,  for
all goods, services, supplies, subcontracts,  salaries, equipment rental and all
other debts and expenses  incurred by the  Corporation,  together with all other
liabilities of the  Corporation of every kind or character,  including a payable
to Seller  reflecting  income tax  liabilities  (the "Tax  Payable") on Seller's
income from January 1, 1997 through  August 31, 1997,  calculated as if Seller's
income were taxed at the rate of 39.6%.  Payables shall be separately  scheduled
on Schedule 3.1.1 hereto.

             3.1.2   Receivables.   The  trade   accounts   receivable   of  the
Corporation. Receivables shall be separately scheduled on Schedule 3.1.2 hereto.

             3.1.3 Net Receivables.  Receivables,  less Payables, subject to the
"Adjustment for rebooking IM2 Transaction", shown on Schedule 3.2.

        3.2 A  Closing  Financial  Exhibit  shall be  prepared  by  Sellers  and
attached to this Agreement as Schedule 3.2. The Closing  Financial Exhibit shall
reflect  that the assets and  liabilities  of the  Corporation  as of August 31,
1997, on an accrual  basis,  including but not limited to, an accrual for taxes,
and insurance  audit  exposure,  for all periods  prior to Closing.  The Closing
Financial  Exhibit shall also confirm the Net  Receivables,  which shall be used
for the preparation of the note required by Section 2.3 hereof.


                                       5
<PAGE>

        3.3 On or before  December 31, 1997,  and one (1) year and two (2) years
following  Closing,  Purchaser  and Seller  shall  review the Closing  Financial
Exhibit and make  adjustments  thereto to  reflect:  (i) actual  collections  of
Receivables  and  write-off  of bad debts;  and (ii) any increase or decrease in
Payables,  including the Tax Payable,  as otherwise  provided by this Agreement.
The December 31, 1997  adjustment  shall reflect the changes to Receivables  and
Payables as a result of work in progress at August 31, 1997, it being recognized
that it will not be possible  to book such work in  progress  at  closing.  As a
result of such reconciliations, the amount of the Notes shall be adjusted.

        3.4 Closing of this  transaction is subject to the  Corporation  meeting
the following financial conditions:

             3.4.1 The debts of the  Corporation  at August 31, 1997 shall be as
set forth on the Closing Financial Exhibit.

             3.4.2 The Assets shall be in good working order,  ordinary wear and
tear  excepted.  Some  of the  Assets  are  listed  on  Schedule  3.4.2  hereto.
Compliance  with  this  requirement  shall be  verified  by  representatives  of
Purchaser, consulting with Seller immediately prior to Closing.

             3.4.3 The Closing Financial Exhibit shall accrue all liabilities of
the company as of August 31, 1997.


                                       6
<PAGE>

             3.4.4 The accrued  vacation,  salary and job bonus benefits due, or
possibly  due,  to the  Corporation's  employees  and  subcontractors,  if  any,
effective  through  the close of business  on August 31,  1997,  shall be as set
forth on Schedule 4.17 hereto.

        3.5 In addition to, and without in any way limiting,  the warranties and
representations of Seller and Principals  granted in this Agreement,  Seller and
Principals  do hereby  jointly  and  severally  warrant  the  Closing  Financial
Exhibit. Seller and Principals hereby indemnify and hold Purchaser harmless from
any and all liabilities of the Corporation  existing as of the close of business
on  August  31,  1997 that are in excess  of the  liabilities  reflected  on the
Closing Financial Exhibit.

                  IV. Warranties and Representations of Sellers

     Seller and Principals do hereby, jointly and severally,  give the following
warranties to Purchaser as of August 31, 1997 and as of the Closing Date,  which
warranties shall survive Closing:

        4.1 Principals  warrant that they hold eighty-five  percent (85%) of all
of the outstanding  stock of the  Corporation,  cumulatively  850 shares held by
Principals.   Principals   hold  said  shares  free  and  clear  of  all  liens,
encumbrances, contracts and commitments. No person holds a preferential right to
purchase  said  shares  held by  Principals,  nor is any person  entitled to any
interest in the proceeds of the sale of said shares.

        4.2 The remaining  fifteen  percent (15%) of the  outstanding  shares of
stock in the Corporation,  being 150 shares, are owned by Joan K. Erickson,  the
only other  shareholder  of the  Corporation.  Neither the  Corporation  nor the
Principals are party to any contract, agreement, undertaking or understanding of
any kind or  character  with Joan K.  Erickson.  Seller and  Principals  have no
knowledge that any person holds a  preferential  right to purchase the shares of
Joan K. Erickson.  The sole role and  relationship  of Joan K. Erickson with the
Corporation is as a shareholder.


                                       7
<PAGE>

        4.3 The  Corporate  Books of the  Corporation,  a copy of which shall be
delivered  to Purchaser  contemporaneously  with  execution  of this  Agreement,
consists of the following:

        Articles of Incorporation,  dated February 8, 1995. Bylaws,  dated March
        1, 1995.

        Minutes of Organizational Meeting of Directors, dated March 31, 1995.

        Minutes of Annual Meeting of Shareholders dated January 9, 1997.

        Minutes of Annual Meeting of Directors dated January 9, 1997.

        Consent of the  Directors  dated June 6, 1997.

        Consent of the Directors date June 13, 1997.

        Evidence that  Certificate No. 1, for 425 shares,  was issued to Michael
        Dale Jowers.

        Evidence  that  Certificate  No. 2, for 425  shares,  was issued to Alan
        Mann.

        Evidence that  Certificate No. 3, for 150 shares,  was issued to Joan K.
        Erickson.

        Said Corporate  Books and records are true and correct in every respect.
All meetings  reflected  in said  Minutes  were held and the Minutes  accurately
reflect the proceedings which occurred.


                                       8
<PAGE>

        4.4 The Corporation has been operated in the ordinary course of business
during the entirety of its existence.  The income and expenses  reflected on the
financial books and records of the Corporation are accurately  stated.  With the
exception of the Earnest  Money,  there are no items of income other than income
from the directional  drilling  business,  and the expenses are not understated.
Without  limiting the generality of the foregoing,  from and after  September 1,
1997,  with the exception of receipt of the Earnest Money,  the  Corporation has
been  operated  in the  ordinary  course of  business,  and  there  have been no
payments to or transactions with Principals,  other than payment of salaries and
ordinary business expenses.

        4.5. The Assets are free and clear of liens and encumbrances,  except as
reflected on Schedule  3.4.2,  hereto.  There exists no condition  affecting the
title to or use of any part of the Assets  which would  prevent  Purchaser  from
using or  enforcing  its rights with  respect to any part of the  Assets,  after
Closing, to the same full extent that the Corporation could continue to do so if
the transactions  contemplated hereby did not take place. The Assets include all
of the assets needed by the Corporation for its continued  operation,  utilizing
the same means of operation as employed by the Corporation in the past.

        4.6 Schedule 4.6 attached hereto is a complete list containing the name,
address,  telephone and facsimile number, and name of contact, for all customers
of the Corporation (herein the "Customers"). Seller and Principals are not aware
of any  situation  or state of facts and  circumstances  which  would  cause the
Customers to discontinue the use of the  Corporation  for  directional  drilling
services,  to the  extent  that  such  Customers  require  directional  drilling
services in the future.


                                       9
<PAGE>

        4.7 Schedule  4.7  represents a complete  listing of all  equipment  and
other personal  property  leases  (herein the  "Equipment  Leases") to which the
Corporation  is a party  at the  date of this  Agreement.  All of the  Equipment
Leases are valid and in full force and  effect,  and fully  state the  agreement
between the Corporation and the Lessor.  There is no default  existing in any of
the  Equipment  Leases.  Unless  indicated on Schedule 4.7, all of the Equipment
Leases  may be  cancelled  on not more  than  thirty  (30)  days'  notice by the
Corporation.  Unless noted on Schedule 4.7, the execution of this Agreement will
not violate the terms of any of the Equipment Leases. To further clarify, Seller
has received  notice from Bico that the existing lease  arrangement  will end on
October 8, 1997, and that  thereafter,  the lease  arrangement will be on a time
and materials basis.

        4.8 The  Corporation is party to a real property lease (herein the "Real
Property  Lease")  with Jim Carter  covering the  Corporation's  office and shop
located in Conroe,  Texas.  The Real Property  Lease  expires  October 31, 1997,
however the Lessor has indicated that the  Corporation  may hold over on a month
to month basis pending its anticipated move to larger quarters.  All of the Real
Property  Leases are valid and in full  force and  effect,  and fully  state the
agreement  between the Corporation and the Lessor.  There is no default existing
in any of the Real Property Leases.

        4.9 Schedule 4.9 is a complete  listing of all  subcontractors,  (herein
the  "Subcontractors"),  utilized  by the  Corporation  within  the past six (6)
months. There are no agreements of any kind or character, written or oral, which
require the Corporation to continue to use the  Subcontractors.  Except as noted
on  Schedule  4.9,  Sellers  are not aware of any set of facts or  circumstances
which would cause the Subcontractors to not perform services for the Corporation
in the  future,  if  requested  by the  Corporation.  All amounts due to driller
Subcontractors  have been either paid in full or booked on the Closing Financial
Statement,  with the exception of amounts due for work in progress at August 31,
1997,  which shall be included in the December 31, 1997 adjustment  provided for
in Section 3.2 hereof.


                                       10
<PAGE>

        4.10 Schedule 4.10 contains a complete listing of all suppliers of goods
and  services  to the  Corporation  within the past six  months,  other than the
Equipment Leases and the Subcontractors,  pursuant to contracts which either (i)
involve  expenditures of greater than $10,000 annually,  or (ii) which cannot be
cancelled by the Corporation on notice of thirty (30) days or less.

        4.11 The  Corporation and the business that it operates is in compliance
with all applicable laws and regulations, including without limitation licensing
and environmental laws.

        4.12 The financial records and descriptive  information  relating to the
operation of the  Corporation  previously  furnished to  Purchasers,  including,
without limitation, the tax returns, financial statements, income statements and
customer lists, as well as the Closing Financial Exhibit, are true and correct.

        4.13 The operating  assets of the  Corporation  are in good and workable
condition, ordinary wear and tear excepted.

        4.14 The Corporation is a corporation,  duly organized, validly existing
and in good standing  under the laws of Texas.  All of the  outstanding  capital
stock of the  Corporation  is validly  issued,  fully  paid and  non-assessable.
Without  limiting  the  generality  of the  foregoing,  the  Corporation  has no
obligation to issue any stock to any person.

        4.15 Seller's  execution,  delivery or  performance  of this  agreement,
including  without  limitation  the  execution  and  completion of any agreement
contemplated hereby, has been approved by Seller's Board of Directors, and shall
be submitted to a vote of Seller's  shareholders pursuant to Article 5.10 of the
Texas Business  Corporation  Act.  Principals shall vote in favor of approval of
this agreement, both in their capacity as directors and as shareholders. Subject
to such shareholder  approval,  the execution,  delivery and performance of this
agreement,  including without limitation any agreement contemplated hereby, will
not violate or conflict with any provision of the  Corporation's  Certificate of
Incorporation,  Bylaws or other  corporate  documents,  nor will it  violate  or
constitute  an event of  default,  or permit  acceleration  of any  obligations,
pursuant to any agreement,  including,  without limitation,  debt agreements, to
which the Seller is a party.


                                       11
<PAGE>

        4.16 Except as provided in Schedule 4.16,  the  Corporation is not party
to any contracts  calling for the Corporation to either provide or acquire goods
or services. Without limiting the generality of the foregoing, there has been no
contract  or  quotation,  arrangement  or  understanding  for the future sale of
services by the  Corporation  which extends beyond thirty (30) days,  except for
the outstanding quotes and proposals scheduled on Schedule 4.16, hereto.

        4.17  Other  than the  Employment  Agreements  called  for in  Article X
hereof,  the  Corporation  is not a party to any  labor  contracts  of any kind,
including,  without limitation,  collective bargaining agreements.  There are no
compensation  plans,  pension,  and  retirement  plans,  bonus and saving plans,
vacation or sick leave plans or policies  (except as disclosed on Schedule  4.17
hereto),  or disability  plans to which the Corporation is a party.  The accrued
vacation for each employee is scheduled on Schedule 4.17 hereto. The Corporation
maintains group heath insurance coverage on of its employees.

        4.18 The  Corporation  has filed all tax returns  and filings  which the
Corporation is required to file with the appropriate  government  agencies,  and
the information set forth in tax returns is true, correct and complete.  Without
limiting the generality of the  foregoing,  the income and  franchise/share  tax
returns (for U.S. and all required States) have been filed and is correct.

        4.19 Except as  reflected  on  Schedule  4.19,  there is no  litigation,
pending or threatened, against the Corporation.  Except as reflected on Schedule
4.19, there is no litigation, pending or threatened, against the Principals with
respect to the directional drilling business of the Corporation.

        4.20 Set  forth on  Schedule  4.20 is a list of all  permits,  licenses,
approvals or authorizations of any governmental  authority or other person which
are used to conduct the business of the Corporation.  All such permits, license,
approvals and  authorizations  are in full force and effect. To the knowledge of
Principals,  no  proceeding is pending to revoke or limit any of such permits or
otherwise  impose any conditions or obligations on the possession or transfer of
any of them,  to the  extent the same are  transferable.  Without  limiting  the
generality of the  foregoing,  as of Closing,  Seller and Principals are unaware
that the plan of Principals to build and operate motors and associated  downhole
equipment  will require  Purchaser to obtain a license from any person,  or will
infringe on any patent.

        4.21  Except as set forth on  Schedule  4.21,  no  officer,  director or
employee of the  Corporation,  and no relative  thereof:  (i) owns,  directly or
indirectly,  any interest in any tangible or intangible property, asset or right
which  the  Corporation  uses in its  business;  (ii) has any cause of action or
claim  against,  owes any amount  to, or is owed any amount by the  Corporation;
(iii) is a party to any Contract with the Corporation;  or (iv) is a supplier of
goods and/or services to or a subcontractor of Seller.


                                       12
<PAGE>

        4.22 Investment  Representation  Letter.  At Closing,  Seller shall have
full  authority  to execute  and deliver the  Investment  Representation  Letter
attached hereto as Exhibit 4.22.

                              V. Debts, Liabilities

        5.1 Purchaser  shall be responsible for and shall pay only the debts and
liabilities  reflected on the Closing  Financial  Exhibit,  together  with those
debts and liabilities  incurred in the ordinary course of business subsequent to
12:00 midnight on August 31, 1997, none of which shall be the  responsibility of
Seller.

        5.2  Purchaser  shall not assume or become  liable to Seller,  or to any
other  person,  firm,  corporation  or  entity,  for any  other  liabilities  or
obligations  of Seller,  whether  accrued,  absolute,  contingent  or otherwise.
Seller and Principals  hereby  indemnify the Purchaser from all  liabilities and
obligations arising from operation of the Corporation prior to 12:00 midnight on
August 31, 1997,  other than those reflected on the Closing  Financial  Exhibit,
including, without limitation, any of the following not reflected on the Closing
Financial Exhibit: any indebtedness for borrowed money, any liability for taxes,
any liability for goods or services purchased,  sold or rendered, or any suit or
claim  seeking  recovery  for injury to persons or property  resulting  from any
product  or  service  heretofore  sold  or  rendered  by the  Corporation,  plus
reasonable attorney fees; provided that such indemnity shall be secondary to any
and all insurance available, including but not limited to insurance purchased by
the Corporation  prior to Closing and insurance  purchased by the Corporation or
Purchaser subsequent to Closing.

        5.3  Purchaser  agrees to indemnify  Seller from and against any and all
claims, damages, losses, charges,  liability and expenses,  including reasonable
attorney  fees,  imposed upon the Sellers but arising out of or  resulting  from
operation of the  business  from and after 12:00  midnight on the Closing  Date;
provided  that  such  indemnity  shall  be  secondary  to any and all  insurance
available,  including but not limited to insurance  purchased by the Corporation
prior to  Closing  and  insurance  purchased  by the  Corporation  or  Purchaser
subsequent to Closing.



                                       13
<PAGE>

                 VI. Representations and Warranties of Purchaser

        6.1 Purchaser is a  corporation  duly  organized and existing  under the
laws of the State of Delaware.  Execution and closing of this Agreement has been
authorized by all requisite authority of Purchaser.

        6.2  Purchaser has obtained all  necessary  approvals of all  regulatory
bodies for the execution of this Agreement and the closing of this transaction.

        6.3 Timely  Filing of Reports.  Purchaser  covenants  and agrees that it
will file all reports  required to be filed by it pursuant to the Securities Act
of 1933 and the  Securities  Exchange Act of 1934,  each as amended from time to
time, and the rules and regulations adopted by the Commission thereunder (or, if
Purchaser is no longer required to file such reports,  it will, upon the request
of Seller,  make publicly  available such other information for so long as it is
necessary to permit sales under Rule 144 promulgated under the Securities Act of
1933, as amended), and it will take such further action as Seller may reasonably
request,  all to the extent  required from time to time to enable Seller to sell
shares of Common Stock without  registration under the Securities Act within the
limitations of the  exemptions  provided by Rule 144, as the same may be amended
from time to time,  or any similar rule or regulation  hereafter  adopted by the
Commission.  Upon the  request of  Seller,  Purchaser  will  deliver to Seller a
written  statement  as to  whether  it  has  complied  with  such  requirements.
Purchaser shall bear all costs associated with compliance of this Section 6.3.

        6.4 NASDAQ Quotation.  Purchaser agrees to use all reasonable efforts to
cause the shares of Purchaser's Common Stock issuable to Seller pursuant to this
Agreement to be approved for  quotation on the NASDAQ Stock  Market,  subject to
official notice of issuance, on or before the Closing Date.

        6.5 Registration Rights. On the Closing Date, Purchaser and Seller shall
each execute and deliver a Registration  Rights  Agreement  providing that if at
any  time  and  from  time  to time  Purchaser  shall  determine  to  pursue  an
underwritten  public  offering of its Common  Stock,  other than a  registration
relating to securities  offered under employee  benefit plans,  Purchaser  shall
promptly give written notice to Seller  thereof,  and shall request the managing
underwriter  or  underwriters  to  include  in  such  registration,  and  in any
underwriting  involved  therein,  the number of shares of Common  Stock owned by
Seller as specified in a written request from Seller.  Such Registration  Rights
Agreement shall provide that all expenses incident to Purchaser's performance of
or  compliance  with the  registration  obligations  pertaining to shares of its
Common Stock held by Seller, including without limitation,  all registration and
filing fees payable to the Securities and Exchange Commission (the "Commission")
and the National  Association of Securities  Dealers,  Inc.,  printing expenses,
fees and  disbursements  of counsel for Purchaser and its independent  certified
public  accountants,   but  excluding  underwriting  discounts  and  commissions
attributable to the sale of shares held by Seller,  shall be borne by Purchaser.
In the event the number of shares  requested to be  including  in the  offering,
when  combined with the number of shares to be included in the offering by other
selling  shareholders  is greater,  in the opinion of the managing  underwriter,
than can be accommodated without adversely affecting the proposed offering, then
the  amount of shares of Common  Stock  held by Seller  included  in the  Seller
request  for  registration,  as well as the  number of  securities  of any other
selling  shareholders,  so long as such other selling  shareholders  do not hold
senior registration rights, shall be proportionately  reduced to a number deemed
satisfactory by the managing underwriter.


                                       14
<PAGE>

                                  VII. Closing

     Closing  shall  occur not later  than ten (10) days  following  receipt  by
Purchaser of the items required by Section 7.1(iv), below, but in no event later
than October 15, 1997 (the "Closing  Date"),  effective at midnight Central time
on the Effective Date. At Closing:

        7.1 Sellers shall deliver to Purchaser the following:

          (i)    a  fully  executed  Transfer,   Bill  of  Sale  and  Assumption
                 Agreement,  in the form attached  hereto as Schedule  7.1(i)(1)
                 and a fully executed Assignment and Assumption of Real Property
                 Lease in the form attached hereto as Schedule 7.1(i)(2); and;

          (ii)   Certificates of title to all vehicles;

          (iii)  the Employment  Agreements described in Article X hereof, fully
                 executed by Sellers; and

          (iv)   Minutes,  certified by Principals, of the meetings of the Board
                 of  Directors  and   Shareholders  of  Seller,   approving  the
                 execution and performance of this contract by Seller,  together
                 with all notices related thereto;

          (v)    the Investment Representation Letter attached hereto as Exhibit
                 4.22, fully executed by Seller; and

          (vi)   such other documents and agreements as are reasonably  required
                 to complete the transaction contemplated hereby.

        7.2 At Closing, Purchaser shall deliver to Sellers the following:

          (i)    the cash referred to in Article II;

          (ii)   the Notes referred to in Article II;


                                       15
<PAGE>

          (iii)  the Employment  Agreements described in Article X hereof, fully
                 executed by Purchaser;

          (iv)   a resolution of Purchaser's Board of Directors,  approving this
                 Agreement and the Closing thereof;

          (v)    a  fully  executed  Transfer,   Bill  of  Sale  and  Assumption
                 Agreement,  in the form attached  hereto as Schedule  7.1(i)(1)
                 and a fully executed Assignment and Assumption of Real Property
                 Lease in the form attached hereto as Schedule 7.1(i)(2); and;

          (vi)   such other documents and agreements as are reasonably  required
                 to complete the transaction contemplated hereby.

                           VIII. Conditions to Closing

     This  Agreement  and  the  Closing  thereof  is  subject  to the  following
conditions:

        8.1 All  representations  and warranties made by the Seller,  Principals
and Purchaser shall be true and correct as of the Closing Date;

        8.2  Seller  shall  furnish  a  certificate  of  good  standing  for the
Corporation, in the State of Texas.

        8.3 Seller shall  furnish the complete  results,  including  copies of a
Form UCC-11 Search for financing  statements relating to the Corporation and all
of the  Assets,  showing  no liens  other than those  reflected  on the  Closing
Financial Exhibit.

        8.4  Seller's  execution,  delivery or  performance  of this  agreement,
including  without  limitation  the  execution  and  completion of any agreement
contemplated  hereby,  shall be  submitted to and approved by a vote of Seller's
shareholders pursuant to Article 5.10 of the Texas Business Corporation Act.


                                       16
<PAGE>

        8.5  Purchaser's  execution,  delivery or performance of this agreement,
including  without  limitation  the  execution  and  completion of any agreement
contemplated hereby, shall be submitted to and approved by a vote of Purchaser's
Board of Directors.

                IX. Access to Information, Post-Closing Matters,

                              Continued Assurances

        9.1 Prior to Closing.  Prior to Closing,  Purchaser  shall have full and
complete  access to the Assets,  along with all offices  and  facilities  of the
Corporation  and to the  Corporation'  books  and  records  for the  purpose  of
reviewing same in connection with the transaction  contemplated  hereby.  Should
the  transaction  contemplated  hereby  not  close  for any  reason  whatsoever,
Purchaser  agrees to maintain the  confidentiality  of all information  gathered
during its evaluation of the Corporation'  business and the Corporation' assets,
and hereby  agree not to use in any way, or disclose  such  information,  unless
Purchaser is legally obligated to disclose any such information.

        9.2 Continued Access to Records.

             9.2.1 From and after closing,  and for three years thereafter,  the
corporate, financial and other records and documents of the Corporation prior to
Closing,  not otherwise  provided for herein (the "Books") shall be available on
three days prior written notice during normal  business hours of 8:00 am to 5:00
pm Columbus, Mississippi time for inspection, use and copying by Seller.

        9.3 Continued  Assurances.  Purchaser,  Seller and  Principals  will do,
execute,  acknowledge and deliver, all and every such further acts, conveyances,
transfer orders,  notices,  releases and acquittances and such other instruments
as may be reasonably  necessary or appropriate  to assure to Purchasers,  Seller
and Principals,  their successors and assigns,  more fully all of the respective
properties,   rights,  titles  and  interests,  estates,  remedies,  powers  and
privileges by this  agreement  granted,  bargained,  sold,  conveyed,  assigned,
transferred,  set over and delivered,  or otherwise  vested in Purchaser  and/or
Seller or intended to be so.  Without  limiting the generality of the foregoing,
Seller,   Principals  and  Purchaser   agree  to  provide  such  statements  and
confirmations as are required from time to time by their respective  accountants
in their continued work for the parties,  including  without  limitation,  audit
confirmations.

        9.4 Payment of Tax Payable.  The Tax Payable shall be paid to or for the
benefit of Seller on January 14,  1997,  by wire  transfer or other  immediately
available funds, as directed by Seller.

        9.5 Final Action by Sellers.  The Seller shall  prepare and file all tax
filings  required  of it,  including  income tax  returns.  Within 30 days after
Closing,  Seller  shall  change  its  name,  so  as to  not  include  the  words
"Diamondback" or "Directional."


                                       17
<PAGE>

        9.6  Stock  Options  Reserved.  Purchaser  has  reserved  stock  options
covering  250,000  shares of  Purchaser's  stock  for  distribution  to  certain
employees, other than Principals, said employees to be hired at the direction of
Alan Mann and Purchaser. Said options shall be distributed annually according to
vesting schedules as set forth in employment agreements to be executed with such
employees as approved by Alan Mann and Purchaser.  Said options are to be issued
pursuant to  Purchaser's  Omnibus Stock Option Plan, as approved by  Purchaser's
Shareholders.  Nothing in this  Agreement,  including  without  limitation  this
Section  9.6,  shall be deemed for the benefit of such  employees,  it being the
intent and  agreement of the parties  that such  employees  are not  third-party
beneficiaries of this Agreement.

        9.7 Investment in Capital Items. Purchaser commits to make approximately
Four Million  Dollars  ($4,000,000)  available to the business which operates or
uses the name and/or  trademark sold  hereunder,  in the form of a loan or other
appropriate financial undertaking,  for capital improvements.  These investments
are to be undertaken on projects as agreed by Alan Mann and Purchaser,  it being
anticipated  that these  investments will be made during the calendar years 1998
and 1999.

        9.8 Post-Closing  Performance Standard,  Possible Notes Adjustment.  The
Notes are  subject to a possible  downward  adjustment,  as set forth in Section
9.8.2 and 9.8.3,  if the  results of the  directional  drilling  business  to be
formed by  Purchaser  with the Assets,  to be known as  Diamondback  Directional
Company  and  to  be  operated  as a  separate  division  of  Purchaser,  or  of
Purchaser's subsidiary, Boone Wireline Co., Inc. (herein, the "Business") do not
meet the performance standards set forth in Section 9.8.1.

             9.8.1  Performance  Standard.  The  Performance  Standard  shall be
ninety  percent  (90%) of the sum of: (i) the gross  receipts  of Seller for the
period  January 1, 1997  through  August 31,  1997,  as reflected on the Closing
Financial  Exhibit,  and (ii) the gross  receipts of the Business for the period
September 1, 1997 through December 31, 1997.

             9.8.2  Adjustment  for 1998 results.  If the gross  receipts of the
Business for the period  September  1, 1997  through  August 31, 1998 (the "1998
Results") are not at least equal to the Performance Standard, then the principal
balance of the Notes, as previously  adjusted,  shall be adjusted  downward,  as
follows:

             (a) the balance of the Notes,  after  considering  the  adjustments
required by Section 3.3 hereof  (the "1998  Balance"),  shall be divided by two,
the result of which shall be the "1998 Initial Amount";

             (b) the  1998  Initial  Amount  shall  be  multiplied  by the  1998
Results,  and the product thereof shall be divided by the Performance  Standard,
the final product thereof being the "1998 Final Amount"; and

             (c) the  balance of the Notes,  as  previously  adjusted,  shall be
reduced by the  difference  between the 1998  Initial  Amount and the 1998 Final
Amount.

                                       18
<PAGE>

             9.8.3  Adjustment  for 1999 results.  If the gross  receipts of the
Business for the period  September  1, 1998  through  August 31, 1999 (the "1999
Results") are not at least equal to the Performance Standard, then the principal
balance of the Notes, as previously  adjusted,  shall be adjusted  downward,  as
follows:

             (a) the balance of the Notes,  after  considering  the  adjustments
required by Section 3.3 hereof and the adjustment required by Section 9.8.2 (the
"1999 Balance"), shall be divided by two, the result of which shall be the "1999
Initial Amount";

             (b) the  1999  Initial  Amount  shall  be  multiplied  by the  1999
Results,  and the product thereof shall be divided by the Performance  Standard,
the final product thereof being the "1999 Final Amount"; and

             (c) the  balance of the Notes,  as  previously  adjusted,  shall be
reduced by the  difference  between the 1999  Initial  Amount and the 1999 Final
Amount.

                  X. Employment and Non-Competition Agreements

        10.1 At or prior to Closing, Purchaser and Alan Mann shall enter into an
Employment Agreement calling for his employment with Purchaser, which Employment
Agreement shall include a non-competition agreement,  prohibiting competition in
the Directional Drilling Business in the States of Texas, Louisiana, New Mexico,
Wyoming, Colorado,  Montana,  Oklahoma,  Alabama, North Dakota, South Dakota and
Mississippi,  which area is deemed  reasonable  by the parties  considering  the
prior and anticipated business plan of the Purchaser. The form of the Employment
Agreement is attached hereto as Schedule 10.1.

                                       19
<PAGE>

        10.2 At or prior to Closing,  Purchaser and Dale Jowers shall enter into
an  Employment  Agreement  calling  for his  employment  with  Purchaser,  which
Employment  Agreement  shall include a  non-competition  agreement,  prohibiting
competition  in the  Directional  Drilling  Business  in the  States  of  Texas,
Louisiana,  New Mexico, Wyoming,  Colorado,  Montana,  Oklahoma,  Alabama, North
Dakota,  South Dakota and  Mississippi,  which area is deemed  reasonable by the
parties  considering the prior and  anticipated  business plan of the Purchaser.
The form of the Employment Agreement is attached hereto as Schedule 10.2.

        10.3 It is agreed by the parties hereto that, in the event of any breach
of the non-competition  provisions of the Employment Agreements,  legal remedies
available to the Purchaser would be inadequate.  Therefore, in the event of such
breach,  the  Purchaser  is  specifically  authorized  to  apply  to a court  of
competent jurisdiction to enjoin any violation of such provision.

                                XI. No Assignment

     Neither this Agreement,  nor any right,  interest or obligation  hereunder,
may be  assigned  by either of the  parties  hereto  without  the prior  written
consent of the other party(s),  except that Purchaser may assign this Agreement,
in whole or in part, to its subsidiary  Boone Wireline Co., Inc.,  provided that
no such assignment shall relieve Purchaser of any obligations created hereunder.

                           XII. Multiple Counterparts

     Any number of counterparts of this Agreement may be executed, and each such
counterpart  shall  be  deemed  to be  an  original  instrument,  but  all  such
counterparts  together shall constitute but one and the same agreement,  binding
on both the parties  notwithstanding  that both parties have not signed the same
counterpart.

                               XIII. Modifications

     This Agreement contains the entire agreement between the parties, and there
shall be no  waiver,  modification  or  change  of the  terms of this  Agreement
without the written approval of the parties hereto.

                                  XIV. Captions

     The  titles  of the  Articles  and  Paragraphs  and  the  captions  of this
Agreement have been assigned  thereto for  convenience and reference only and in
no way  define,  describe,  extend,  or limit,  nor be  construed  as  limiting,
defining or affecting the substantive terms, scope or intent of this Agreement.

                  XV. Entire Agreement, Integration, Amendment

     This Agreement,  together with the accompanying  Schedules attached hereto,
constitutes the entire  agreement  among the parties  hereto,  as a complete and
final  integration  thereof.  All  understandings  and agreement  heretofore had
between  and  among the  parties  with  respect  to the  subject  matter of this
Agreement  are merged into this  Agreement,  which  alone  fully and  completely
expresses  their  understandings,   and  this  Agreement  supersedes  all  prior
memoranda, correspondence, conversations and negotiations.


                                       20
<PAGE>

     There  have  been  and are no  agreements,  representations  or  warranties
between the parties other than those set forth or provided herein.

     No  representation  or warranty made by any party which is not contained in
this  Agreement or expressly  referred to herein has been relied on by any party
in entering into this Agreement.

                                  XVI. Notices

     All notices, requests, demands, and other communications hereunder shall be
in  writing  and shall be deemed to have  been  duly  given and  delivered  upon
personal  delivery  or, if mailed,  upon  depositing  such  notice in the United
States mail, with first class postage prepaid, and

                           (i)      If to the Purchaser, to:

                                    Black Warrior Wireline Corp
                                    3748 Highway 45, N
                                    Post Office Box 9188
                                    Columbus, Mississippi  39705
                                    Attn:   William L. Jenkins

                           (ii)     If to the Seller, to:

                                    Diamondback Directional, Inc.
                                    13843 Highway 105 West, Suite 212
                                    Conroe, Texas  77304

                           (iii)    If to Principals, to:

                                    Mr. Alan Mann
                                    13843 Highway 105 West, Suite 212
                                    Conroe, Texas  77304

                                    Mr. Michael Dale Jowers
                                    13843 Highway 105 West, Suite 212
                                    Conroe, Texas  77304

Any party may change the address to which  notices are to be  delivered  to such
party, by notice given in accordance with this subparagraph to the other party.

                               XVII. Governing Law

     The  laws  of  the  State  of   Mississippi   shall  govern  the  validity,
construction, and interpretation of this Agreement.

                              XVIII. Miscellaneous

        18.1 Gender,  Number. All personal pronouns used in this Agreement shall
include all genders, whether used in the masculine,  feminine, or neuter gender.
Singular nouns and pronouns shall include the plural, as may be appropriate, and
vice versa.



                                       21
<PAGE>

        18.2 Severability.  All of the terms, provisions, and conditions of this
Agreement  shall be deemed to be  severable in nature.  If, for any reason,  the
provisions  hereof are held to be invalid or unenforceable to any extent, to the
extent that such  provisions  are valid and  enforceable,  a court of  competent
jurisdiction  shall construe and interpret this Agreement to provide for maximum
validity and enforceability of this Agreement.

        18.3 Successors.  This Agreement shall bind the parties and their heirs,
successors, assigns, next of kin, and personal representatives.

        18.4  Construction.  This  Agreement  shall be construed in its entirety
according to its plain meaning and shall not be construed  against the party who
provided or drafted it.

        18.5 Party.  The terms  party and  parties  refer to the parties to this
Agreement, unless otherwise stated.

        18.6  Subdivision.  References to  paragraphs,  subparagraphs,  and like
subdivisions  are  references to such  subdivisions  of this  Agreement,  unless
otherwise stated.

        18.7 Hereof. Terms such as "hereof",  "hereto",  "hereunder",  "herein",
and the like refer to the entire  Agreement and not only to the  subdivision  in
which such terms appear.

        18.8 Costs on  Default.  In the event of any  default by any party as to
any duty,  warranty or undertaking owed to another party,  which default results
in  efforts by the  non-defaulting  party to remedy  same  (whether a lawsuit is
filed or not), the defaulting party shall pay, in addition to such other sums as
may be due hereunder, all costs and expenses of such efforts, including, but not
limited to, a reasonable attorney's fee.



                                       22
<PAGE>

     IN WITNESS  WHEREOF,  the parties  have  hereunto set their hands and seals
effective on the day and date first above written.

                                              PURCHASER:

WITNESS:                                      BLACK WARRIOR WIRELINE CORP.


                                              BY:
                                                   William L. Jenkins, President

                                              SELLER:

WITNESS:                                      DIAMONDBACK DIRECTIONAL, INC.


                                              BY:
                                                   Alan Mann, President

WITNESS:                                      PRINCIPALS:



                                              ALAN MANN
WITNESS:


                                              MICHAEL DALE JOWERS



                                       23




                              EMPLOYMENT AGREEMENT
                         WITH NON-COMPETITION AGREEMENT
                   COVERING THE DIRECTIONAL DRILLING BUSINESS

     By this Agreement,  BLACK WARRIOR  WIRELINE CORP., a Delaware  corporation,
referred to in this  Agreement as Employer,  located at 3748 Highway 45,  North,
Columbus, Mississippi 39705, employs ALAN MANN, referred to in this Agreement as
Employee, of 13843 Highway 105 West, Suite 212, Conroe, Texas 77304, who accepts
employment on the following terms and conditions.

     WHEREAS,  Employer has,  contemporaneously  herewith,  purchased all of the
assets  of  Diamondback  Directional,  Inc.,  ("Diamondback")  pursuant  to that
certain Asset Purchase  Agreement  dated effective as of September 1, 1997, (the
"APA"), between Employer and Diamondback; and

     WHEREAS,  as of the  effective  date of the APA,  Employer  has  formed its
"Diamondback  Directional  Company"  division  to  engage  in the same  business
previously undertaken by Diamondback Directional, Inc.; and

     WHEREAS, the APA requires, as a condition to closing thereof, that Employee
enter into this Employment Agreement;

     NOW,  THEREFORE,  in  consideration  of  the  premises,  and  to  meet  the
requirements of the APA that Employee enter this contract with Employer, and the
Mutual  covenants  hereinafter  set forth,  faithfully to be kept by the parties
hereto,  the receipt and sufficiency of which  consideration  is acknowledged by
Employer and Employee; it is agreed as follows:


<PAGE>

                                    ARTICLE 1

                               TERM OF EMPLOYMENT

     1.01.  By this  Agreement,  the  Employer  employs  the  Employee,  and the
Employee accepts employment with the Employer,  agreeing to remain in the employ
of  Employer,  for a  period  of  five  (5)  years  beginning  on the 1st day of
September, 1997.

                                    ARTICLE 2

                                  COMPENSATION

                               Basic Compensation

     2.01. As compensation for all services  rendered under this Agreement,  the
Employee shall be paid by the Employer a salary of $225,000.00 per year, payable
bi-monthly, in arrears.

                                    ARTICLE 3

                               DUTIES OF EMPLOYEE

                                     Duties

     3.01. The Employee is employed as Vice President of Employer's  Diamondback
Directional  Company  division,  serving  at the  direction  and  control of the
President and officers of Employer.  Employee shall live in Conroe,  Texas,  and
work in such  areas as  required  to serve  the best  interests  of  Diamondback
Directional Company.

                               Extent of Services

     3.02.  Employee shall devote the whole of his time during  business  hours,
and at any other  time when he is  reasonably  needed,  for the  benefit  of the
Employer in its Directional  Drilling Business.  The Employee shall use his best
efforts to promote the interest and welfare of the Employer at all times.

     3.03.  Any outside  employment,  consulting or any other active  commercial
business activity of any kind is strictly  forbidden without written  permission
of the President of the Employer and shall be grounds for immediate termination;
provided that Employee's continued partial ownership of one "hot-shot" truck and
a small  passive  interest  in a  production  company  which owns oil and/or gas
wells, shall not be considered a violation of this provision.



                                       2
<PAGE>

                                    ARTICLE 4

                NON-COMPETITION IN DIRECTIONAL DRILLING BUSINESS

     4.01.  The  Employee  agrees  that  for  and  during  the  duration  of his
employment,  and for two years after termination of employment (the "Non-Compete
Term), he will not directly or indirectly become employed by or associated with,
in any  capacity,  any  other  person,  firm or  corporation  which  operates  a
Directional  Drilling  Business in the States of Texas,  Louisiana,  New Mexico,
Wyoming, Colorado,  Montana,  Oklahoma,  Alabama, North Dakota, South Dakota and
Mississippi (the  "Non-Compete  Area"),  which area is deemed  reasonable by the
parties  considering that the Employer and Diamondback  Directional,  Inc., have
entered  into,  contemporaneously  herewith,  the APA, and also desire to comply
with the Texas  Covenant Not to Compete Act, and further  considering  the prior
and anticipated  business plan of the Employer,  including,  without limitation,
the prior  business  area of  Diamondback  Directional,  Inc.,  and the plan for
Employee to be exposed to  Employer's  offices,  facilities,  customer  base and
trade secrets in the Non-Compete Area, and the plan for Diamondback  Directional
Company to expand into one or more parts of the Non-Compete Area.

     4.02.  It is agreed by the parties  hereto that, in the event of any breach
on the  non-competition  provisions  of  Section  4.01  hereof,  legal  remedies
available to the Employer would be inadequate.  Therefore,  in the event of such
breach, the Employer is specifically authorized to apply to a court of competent
jurisdiction to enjoin any violation of such provision.

                                    ARTICLE 5

                          EMPLOYEE BENEFITS AND BONUSES

     5.01.  The Employer  agrees that the Employee  will be entitled to the same
benefits package as like Employees of Employer.

                           Medical and Dental Benefits

     5.02.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include the Employee in the hospital,  surgical, medical and dental benefit plan
adopted by the Employer from time to time.

                              Group Life Insurance

     5.03.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include  the  Employee  under the group term life  insurance  policy  adopted by
Employer from time to time.

                                    ARTICLE 6

                 REIMBURSEMENT OF EXPENSES INCURRED BY EMPLOYEE

                                Business Expenses

     6.01.  In accord  with  Employer's  standard  practices,  the  Employee  is
authorized to incur reasonable  business  expenses for promoting the business of
the  Employer,  some of which  must be  approved  in advance  by  Employer.  The
reasonable  business  expense may include  expenditures  for  entertainment  and
travel. Reimbursement will be in accord with Employer's standard practices.

                                       3
<PAGE>

                                    ARTICLE 7

                                   TERMINATION

     7.01.  Employee's  employment  may  be  terminated  by  Employer  upon  the
occurrence of any of the following events:

                    (a)  At the end of the fifth year of  employment  hereunder,
                         unless extended by mutual agreement of the parties; or

                    (b)  Upon   any   material    breach   of   the   employment
                         relationship,  including  the  failure of  Employee  to
                         perform his duties, as reasonably directed by Employer;
                         or

                    (c)  Upon the death or disability of the Employee; or

                    (d)  Conviction  in a court of law of any  felony or offense
                         involving Employer's property or business.

                    (e)  Violation  of  any  part  of  the  Employer's  standard
                         policies and procedures, drug and alcohol policy or any
                         policy letters which may be issued from time to time.

                                    ARTICLE 8

                               GENERAL PROVISIONS

     8.01. All notices or other communications required under this Agreement may
be effected  either by personal  delivery in writing,  fax or by certified mail,
return  receipt  requested.  Notice  shall be  deemed to have  been  given  when
delivered  or mailed to the parties at their  respective  addresses as set forth
above or when mailed to the last address  provided in writing to the other party
by the addressee.

         The current address of Employer is:

                  c/o  Black Warrior Wireline Corp.
                  3748 Highway 45, North
                  Columbus, Mississippi 39701
                  Attn: William L. Jenkins

         The current address of Employee is:

                  Alan Mann
                  13843 Highway 105 West, Suite 212
                  Conroe, Texas  77304

     Any party may change the address to which  notices are to be  delivered  to
such party,  by notice given in accordance  with this  subparagraph to the other
party.

                                   Amendments

     8.02.  This Agreement  shall not be modified or amended except by a writing
signed by both parties.

                         Applicable Law, Enforceability

     8.03. This Agreement shall be construed and enforced in accordance with the
laws  of  the  State  of  Texas.  The  parties  have  carefully  considered  the
Non-Compete  Area and the  Non-Compete  Term, and believe both to be reasonable.
However,  should  it be  determined  that  the  non-compete  provisions  of this
Employment  Agreement is unenforceable due to the extent of the Non-Compete Area
or the duration of the Non-Compete Term, then this Employment Agreement shall be
deemed to be amended, and construed, as covering a revised Non-Compete Area, and
as being for a revised Non-Compete Term, which is reasonable and enforceable.

                                       4
<PAGE>

                                    Captions

     8.04. The captions or headings in this  Agreement are made for  convenience
and general  reference  only and shall not be construed  to describe,  define or
limit the scope or intent of the provisions of this Agreement.

                                   Assignment

     8.05.  Neither  this  Agreement,  nor any  right,  interest  or  obligation
hereunder,  may be assigned by either of the  parties  hereto  without the prior
written  consent of the other  party,  except  that  Employer  may  assign  this
Agreement,  in whole or in part, to its  subsidiary  Boone  Wireline Co.,  Inc.,
provided  that no such  assignment  shall  relieve  Employer of any  obligations
created hereunder.

                  Entirety of Agreement, Counterpart Signatures

     8.06.  This Agreement  supersedes all other  agreements,  either oral or in
writing,  between the parties to this Agreement,  with respect to the employment
of  the  Employee  by  the  Employer.   This   Agreement   contains  the  entire
understanding of the parties and all of the covenants and agreements between the
parties with respect to such employment.

     8.07.  This document may be executed in two or more  counterparts,  each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same instrument.

     IN  WITNESS  WHEREOF,  the  Employer  by and  through  its duly  authorized
officers and the Employee have caused this  instrument to be executed under seal
effective the     day of September, 1997.

                                                BLACK WARRIOR WIRELINE CORP.
WITNESS:


                                                BY:
                                                   William L. Jenkins, President
WITNESS:



                                                 ALAN MANN



                                       5



                              EMPLOYMENT AGREEMENT
                         WITH NON-COMPETITION AGREEMENT
                   COVERING THE DIRECTIONAL DRILLING BUSINESS


     By this Agreement,  BLACK WARRIOR  WIRELINE CORP., a Delaware  corporation,
referred to in this  Agreement as Employer,  located at 3748 Highway 45,  North,
Columbus,  Mississippi 39705,  employs MICHAEL DALE JOWERS,  referred to in this
Agreement as  Employee,  of 13843  Highway 105 West,  Suite 212,  Conroe,  Texas
77304, who accepts employment on the following terms and conditions.

     WHEREAS,  Employer has,  contemporaneously  herewith,  purchased all of the
assets  of  Diamondback  Directional,  Inc.,  ("Diamondback")  pursuant  to that
certain Asset Purchase  Agreement  dated effective as of September 1, 1997, (the
"APA"), between Employer and Diamondback; and

     WHEREAS,  as of the  effective  date of the APA,  Employer  has  formed its
"Diamondback  Directional  Company"  division  to  engage  in the same  business
previously undertaken by Diamondback Directional, Inc.; and

     WHEREAS, the APA requires, as a condition to closing thereof, that Employee
enter into this Employment Agreement;"

     NOW,  THEREFORE,  in  consideration  of  the  premises,  and  to  meet  the
requirements of the APA that Employee enter this contract with Employer, and the
Mutual  covenants  hereinafter  set forth,  faithfully to be kept by the parties
hereto,  the receipt and sufficiency of which  consideration  is acknowledged by
Employer and Employee; it is agreed as follows:


<PAGE>

                                    ARTICLE 1

                               TERM OF EMPLOYMENT

     1.01.  By this  Agreement,  the  Employer  employs  the  Employee,  and the
Employee accepts employment with the Employer,  agreeing to remain in the employ
of  Employer,  for a  period  of  five  (5)  years  beginning  on the 1st day of
September, 1997.

                                    ARTICLE 2

                                  COMPENSATION

                               Basic Compensation

     2.01. As compensation for all services  rendered under this Agreement,  the
Employee shall be paid by the Employer a salary of $175,000.00 per year, payable
bi-monthly, in arrears.

                                    ARTICLE 3

                               DUTIES OF EMPLOYEE

                                     Duties

     3.01.  The Employee is employed as Sales Manager of Employer's  Diamondback
Directional  Company  division,  serving  at the  direction  and  control of the
President and officers of Employer.  Employee shall live in Conroe,  Texas,  and
work in such  areas as  required  to serve  the best  interests  of  Diamondback
Directional Company.

                               Extent of Services

     3.02.  Employee shall devote the whole of his time during  business  hours,
and at any other  time when he is  reasonably  needed,  for the  benefit  of the
Employer in its Directional  Drilling Business.  The Employee shall use his best
efforts to promote the interest and welfare of the Employer at all times.

     3.03.  Any outside  employment,  consulting or any other active  commercial
business activity of any kind is strictly  forbidden without written  permission
of the President of the Employer and shall be grounds for immediate termination;
provided that Employee's  continued  ownership of a small passive  interest is a
production  company  which owns oil and/or gas wells,  shall not be considered a
violation of this provision.

                                       2
<PAGE>

                                    ARTICLE 4

                NON-COMPETITION IN DIRECTIONAL DRILLING BUSINESS

     4.01.  The  Employee  agrees  that  for  and  during  the  duration  of his
employment,  and for two years after termination of employment (the "Non-Compete
Term), he will not directly or indirectly become employed by or associated with,
in any  capacity,  any  other  person,  firm or  corporation  which  operates  a
Directional  Drilling  Business in the States of Texas,  Louisiana,  New Mexico,
Wyoming, Colorado,  Montana,  Oklahoma,  Alabama, North Dakota, South Dakota and
Mississippi (the  "Non-Compete  Area"),  which area is deemed  reasonable by the
parties  considering that the Employer and Diamondback  Directional,  Inc., have
entered  into,  contemporaneously  herewith,  the APA, and also desire to comply
with the Texas  Covenant Not to Compete Act, and further  considering  the prior
and anticipated  business plan of the Employer,  including,  without limitation,
the prior  business  area of  Diamondback  Directional,  Inc.,  and the plan for
Employee to be exposed to  Employer's  offices,  facilities,  customer  base and
trade secrets in the Non-Compete Area, and the plan for Diamondback  Directional
Company to expand into one or more parts of the Non-Compete Area.

     4.02.  It is agreed by the parties  hereto that, in the event of any breach
on the  non-competition  provisions  of  Section  4.01  hereof,  legal  remedies
available to the Employer would be inadequate.  Therefore,  in the event of such
breach, the Employer is specifically authorized to apply to a court of competent
jurisdiction to enjoin any violation of such provision.

                                    ARTICLE 5

                          EMPLOYEE BENEFITS AND BONUSES

     5.01.  The Employer  agrees that the Employee  will be entitled to the same
benefits package as like Employees of Employer.

                           Medical and Dental Benefits

     5.02.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include the Employee in the hospital,  surgical, medical and dental benefit plan
adopted by the Employer from time to time.

                              Group Life Insurance

     5.03.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include  the  Employee  under the group term life  insurance  policy  adopted by
Employer from time to time.

                                    ARTICLE 6

                 REIMBURSEMENT OF EXPENSES INCURRED BY EMPLOYEE

                                Business Expenses

     6.01.  In accord  with  Employer's  standard  practices,  the  Employee  is
authorized to incur reasonable  business  expenses for promoting the business of
the  Employer,  some of which  must be  approved  in advance  by  Employer.  The
reasonable  business  expense may include  expenditures  for  entertainment  and
travel. Reimbursement will be in accord with Employer's standard practices.


                                       3
<PAGE>

                                    ARTICLE 7

                                   TERMINATION

     7.01.  Employee's  employment  may  be  terminated  by  Employer  upon  the
occurrence of any of the following events:

                    (a)  At the end of the fifth year of  employment  hereunder,
                         unless extended by mutual agreement of the parties; or

                    (b)  Upon   any   material    breach   of   the   employment
                         relationship,  including  the  failure of  Employee  to
                         perform his duties, as reasonably directed by Employer;
                         or

                    (c)  Upon the death or disability of the Employee; or

                    (d)  Conviction  in a court of law of any  felony or offense
                         involving Employer's property or business.

                    (e)  Violation  of  any  part  of  the  Employer's  standard
                         policies and procedures, drug and alcohol policy or any
                         policy letters which may be issued from time to time.

                                    ARTICLE 8

                               GENERAL PROVISIONS

     8.01. All notices or other communications required under this Agreement may
be effected  either by personal  delivery in writing,  fax or by certified mail,
return  receipt  requested.  Notice  shall be  deemed to have  been  given  when
delivered  or mailed to the parties at their  respective  addresses as set forth
above or when mailed to the last address  provided in writing to the other party
by the addressee.

         The current address of Employer is:

                  c/o  Black Warrior Wireline Corp.
                  3748 Highway 45, North
                  Columbus, Mississippi 39701
                  Attn: William L. Jenkins


         The current address of Employee is:

                  Michael Dale Jowers
                  13843 Highway 105 West, Suite 212
                  Conroe, Texas  77304

     Any party may change the address to which  notices are to be  delivered  to
such party,  by notice given in accordance  with this  subparagraph to the other
party.



                                       4
<PAGE>

                                   Amendments

     8.02.  This Agreement  shall not be modified or amended except by a writing
signed by both parties.

                         Applicable Law, Enforceability

     8.03. This Agreement shall be construed and enforced in accordance with the
laws  of  the  State  of  Texas.  The  parties  have  carefully  considered  the
Non-Compete  Area and the  Non-Compete  Term, and believe both to be reasonable.
However,  should  it be  determined  that  the  non-compete  provisions  of this
Employment  Agreement is unenforceable due to the extent of the Non-Compete Area
or the duration of the Non-Compete Term, then this Employment Agreement shall be
deemed to be amended, and construed, as covering a revised Non-Compete Area, and
as being for a revised Non-Compete Term, which is reasonable and enforceable.

                                    Captions

     8.04. The captions or headings in this  Agreement are made for  convenience
and general  reference  only and shall not be construed  to describe,  define or
limit the scope or intent of the provisions of this Agreement.

                                   Assignment

     8.05.  Neither  this  Agreement,  nor any  right,  interest  or  obligation
hereunder,  may be assigned by either of the  parties  hereto  without the prior
written  consent of the other  party,  except  that  Employer  may  assign  this
Agreement,  in whole or in part, to its  subsidiary  Boone  Wireline Co.,  Inc.,
provided  that no such  assignment  shall  relieve  Employer of any  obligations
created hereunder.

                  Entirety of Agreement, Counterpart Signatures

     8.06.  This Agreement  supersedes all other  agreements,  either oral or in
writing,  between the parties to this Agreement,  with respect to the employment
of  the  Employee  by  the  Employer.   This   Agreement   contains  the  entire
understanding of the parties and all of the covenants and agreements between the
parties with respect to such employment.

     8.07.  This document may be executed in two or more  counterparts,  each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same instrument.


                                       5
<PAGE>

     IN  WITNESS  WHEREOF,  the  Employer  by and  through  its duly  authorized
officers and the Employee have caused this  instrument to be executed under seal
effective the     day of September, 1997.

                                                BLACK WARRIOR WIRELINE CORP.
WITNESS:


                                                BY:
                                                   William L. Jenkins, President
WITNESS:



                                                MICHAEL DALE JOWERS




                                       6




                          REGISTRATION RIGHTS AGREEMENT

     This Registration Rights Agreement (the "Registration Rights Agreement") is
made October 10, 1997, by and between Black Warrior  Wireline  Corp., a Delaware
corporation  (the  "Company"),  and  Diamondback  Directional,   Inc.,  a  Texas
corporation ("DDI").

     WHEREAS,  on the date hereof the Company and DDI are holding a closing (the
"Closing")  pursuant  to an  Asset  Purchase  Agreement  (the  "P&S  Agreement")
effective  September 1, 1997 among the Company,  DDI, Alan Mann and Michael Dale
Jowers; and

     WHEREAS,  pursuant to Section 2.5(a) of the P&S Agreement,  the Company has
agreed to issue and sell to DDI and DDI has agreed to  purchase  647,569  shares
(the "Shares") of the Common Stock,  par value $0.0005 per share, of the Company
in payment of a portion of the Purchase Price (as defined in the P&S Agreement);
and

     WHEREAS,  the Company has agreed to grant to DDI certain rights to have the
Shares  registered  under the  Securities  Act of 1933, as amended,  as provided
herein.

     NOW,  THEREFORE,  in consideration of the mutual promises and covenants set
forth herein, the parties hereby agree as follows:

                                    ARTICLE I
                                   DEFINITIONS

     As used in this Agreement,  the following terms shall have the meanings set
forth below:

     1.1 "Commission"  shall mean the Securities and Exchange  Commission or any
other federal agency at the time administering the Securities Act.

     1.2 "Holder" shall mean DDI or any Qualified Transferee.


<PAGE>

     1.3 "Qualified Transferee" shall mean any stockholder of DDI as of the date
hereof to whom the  Registrable  Securities  and the rights  hereunder have been
transferred prior to the filing by the Company of a registration  statement with
the Commission pursuant to Article II hereof.

     1.4 "Registrable Securities" shall mean (i) the Shares; and (ii) any Common
Stock  issued or  issuable  at any time or from time to time in  respect  of the
Shares upon a stock split,  stock  dividend,  recapitalization  or other similar
event  involving  the  Company  until such Shares are  registered  pursuant to a
Registration  Statement or the exemption from registration under Rule 144(k) (or
successor  Rule)  under the  Securities  Act is  available  with  respect to the
Shares.

     1.5 The  terms  "register,"  "registered,"  and  "registration"  refer to a
registration  effected  by  preparing  and filing a  registration  statement  in
compliance  with the  Securities  Act,  and the  declaration  or ordering by the
Commission of the effectiveness of such registration statement.

     1.6  "Registration  Expenses"  shall mean all expenses,  other than Selling
Expenses  (as defined  below),  incurred by the Company in  complying  with this
Registration Rights Agreement,  including, without limitation, all registration,
qualification and filing fees, exchange listing fees, printing expenses,  escrow
fees,  fees and  disbursements  of counsel  for the  Company,  blue sky fees and
expenses,  the expense of any special audits incident to or required by any such
registration (but excluding the compensation of regular employees of the Company
which shall be paid in any event by the Company).

     1.7 "Securities Act" shall mean the Securities Act of 1933, as amended,  or
any similar  federal  statute and the rules and  regulations  of the  Commission
thereunder, all as the same shall be in effect at the time.

     1.8  "Selling  Expenses"  shall mean all  underwriting  discounts,  selling
commissions and stock transfer taxes applicable to the securities  registered by
DDI and, except as set forth above,  all fees and  disbursements  of counsel for
DDI.

     1.9  "Underwritten  Public  Offering" shall mean a public offering in which
Common Stock is offered and sold on a firm commitment  basis through one or more
underwriters,  all pursuant to an underwriting agreement between the Company and
such underwriters.


                                       2
<PAGE>

                                   ARTICLE II
                               REGISTRATION RIGHTS

     2.1 Registration Rights.

        2.2.1 Subject to the terms  hereof,  if: (i) at any time or from time to
time the  Company  shall  determine  to  register  any of its  securities  in an
Underwritten  Public Offering  (except for  registration  statements on Form S-8
relating to employee benefit plans); and (ii) DDI or any Qualified Transferee is
the  beneficial  owner of any  Registrable  Securities;  then the  Company  will
promptly give to the Holders  written  notice thereof no less than ten (10) days
prior  to  the  filing  of any  registration  statement,  and  include  in  such
Underwritten Public Offering (and any related  qualification under blue sky laws
or other compliance),  such Registrable Securities as the Holders may request in
a writing  delivered  to the  Company  within  five (5) days after the  Holders'
receipt of the Company's written notice.

        2.2.2  Notwithstanding  any  other  provision  of this  Section,  if the
managing  underwriter  of such  Underwritten  Public  Offering  concludes in its
reasonable  judgment  that the  number of shares to be  registered  for  selling
shareholders  (including the Holders)  would  materially  adversely  affect such
offering,  subject  to the  terms of any  agreements  which  may  grant to other
persons senior  registration  rights to which the Company is a party, the number
of Registrable  Securities to be registered,  together with the number of shares
of Common Stock or other  securities held by other  shareholders  proposed to be
registered in such  offering,  shall be reduced on a pro rata basis based on the
number of Registrable  Securities proposed to be sold by the Holders as compared
to the number of shares proposed to be sold by all shareholders. The Registrable
Securities so excluded by the managing  underwriter shall be withdrawn from such
registration,  and shall not be  transferred in a public  distribution  prior to
ninety (90) days after the effective date of the registration statement relating
thereto,  or such other shorter period of time as the managing  underwriter  may
require.

        2.2.3 The Company  shall have the right to  terminate  or  withdraw  any
registration  initiated by it under this Section prior to the  effectiveness  of
such registration  whether or not the Holders have elected to include securities
in such registration.

     2.2 Expenses of Registration.  All Registration  Expenses shall be borne by
the Company.  Unless otherwise stated herein,  all Selling Expenses  relating to
securities registered on behalf of the Holders shall be borne by the Holders

     2.3   Registration   Procedures.   In  the   case  of  each   registration,
qualification   or  compliance   effected  by  the  Company   pursuant  to  this
Registration  Rights  Agreement,  the Company  will keep the Holders  advised in
writing as to the initiation of each registration,  qualification and compliance
and as to the completion thereof. At its expense, the Company will:

        2.3.1 Prepare and file with the Commission a registration statement with
respect to such securities and use its commercially  reasonable efforts to cause
such   registration   statement  to  become  and  remain   effective  until  the
distribution described in such registration statement has been completed;

        2.3.2  Furnish to the  Holders  such  number of copies of a  prospectus,
including a preliminary  prospectus,  in conformity with the requirements of the
Securities Act, and such other  documents as the Holders may reasonably  request
in order to  facilitate  the  public  sale of the  shares  by the  Holders,  and
promptly  furnish to the  Holders  notice of any  stop-order  or similar  notice
issued by the  Commission  or any state agency  charged with the  regulation  of
securities.

     2.4 Certain Information. The Holders agree, with respect to any Registrable
Securities  included  in  any  registration,  to  furnish  to the  Company  such
information   regarding  the  Holders,   the  Registrable   Securities  and  the
distribution  proposed by the Holders as the Company may  reasonably  request in
writing  and  as  shall  be  required  in  connection  with  any   registration,
qualification or compliance referred to herein.

     2.5  Assignment.  Neither  this  Agreement,  nor  any  right,  interest  or
obligation hereunder, may be assigned by either of the parties without the prior
written consent of the other party;  provided,  however,  that any assignment by
DDI to any Qualified  Transferee  shall not require the prior written consent of
the other  party.  The Company  shall not be  obligated  to  recognize  any such
assignment by DDI to a Qualified  Transferee  unless and until the Company shall
have received  written  notice from DDI  specifying  the name and address of the
Qualified  Transferee(s) and identifying the Registrable Securities with respect
to which such rights hereunder have been assigned.


                                       3
<PAGE>

     2.6 Governing Law. This Agreement  shall be governed in all respects by the
laws of the State of Delaware.

     2.7 Entire Agreement;  Amendment.  This Agreement  constitutes the full and
entire  understanding  and  agreement  between  the  parties  with regard to the
subject hereof. This Agreement, or any provision hereof, may be amended, waived,
discharged  or  terminated  upon the  written  consent  of the  Company  and the
Holders.

     2.8  Notices,  etc.  All  notices  and  other  communications  required  or
permitted  hereunder  shall be in writing and shall be mailed by  registered  or
certified mail, postage prepaid,  or otherwise delivered by hand or by messenger
including Federal Express or similar courier service, addressed:

                  If to DDI:

                  Diamondback Directional, Inc.
                  13843 Highway 105 West - Suite 212
                  Conroe, Texas  77304

or at such other address as DDI shall have furnished to the Company in writing;

                  If to any Qualified Transferee:

                  To such  address as DDI shall have  furnished  the  Company in
                  writing pursuant to Section 2.5.

                  If to the Company

                  Black Warrior Wireline Corp.
                  3748 Highway #45 North
                  Columbus, Mississippi  39701
                  Attention:  William L. Jenkins, President

or a such other address as the Company shall have furnished to the Holders. Each
such notice or other communication shall, for all purposes of this Agreement, be
treated as effective upon receipt.

     2.9  Counterparts.  This  Agreement  may  be  executed  in  any  number  of
counterparts,  each of which shall be enforceable  against the parties  actually
executing such  counterparts,  and all of which  together  shall  constitute one
instrument.

     2.10  Severability.  In the  event  that any  provision  of this  Agreement
becomes or is  declared  by a court of  competent  jurisdiction  to be  illegal,
unenforceable  or void,  this Agreement  shall continue in full force and effect
without said provision.

     2.11 Titles and Subtitles.  The titles and subtitles used in this Agreement
are  used  for  convenience  only  and  are  not  considered  in  construing  or
interpreting this Agreement.

     IN WITNESS WHEREOF,  the Company has executed this agreement effective upon
the date first set forth above.


                                                  BLACK WARRIOR WIRELINE CORP.



                                            By:_________________________________
                                                   William L. Jenkins, President



                                                  DIAMONDBACK DIRECTIONAL, INC.



                                            By:_________________________________
                                                    Alan Mann, President



                                       4





         THIS NOTE HAS NOT BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS
         AMENDED.  THE TRANSFER OF THIS NOTE IS SUBJECT TO  RESTRICTIONS  ON ITS
         OFFER AND SALE  UNTIL THE  REGISTRATION  REQUIREMENTS  OF SUCH ACT HAVE
         BEEN COMPLIED WITH OR AN EXEMPTION THEREFROM IS AVAILABLE AND THE MAKER
         RESERVES  THE RIGHT TO REFUSE  THE  TRANSFER  OF THIS NOTE  UNTIL  SUCH
         REQUIREMENTS HAVE BEEN MET.


STATE OF TEXAS

COUNTY OF MONTGOMERY                                 DATE:  September ____, 1997


                           $3,000,000 PROMISSORY NOTE
                               DUE AUGUST 31, 1999


     As set forth below,  BLACK WARRIOR  WIRELINE  CORP, a Delaware  corporation
("Maker") promises to pay to DIAMONDBACK DIRECTIONAL, INC. ("Payee"), the sum of
$3,000,000  in lawful money of the United States for value  received  payable at
13843 Highway 105 West, Suite 212, Conroe,  Texas 77304, or any other address as
designated by the Payee, from time to time.

                                       I.
                                   DEFINITIONS

     As used herein, the term "Agreement" shall mean that certain Asset Purchase
Agreement  dated effective  September 1, 1997 between Maker,  as Purchaser,  and
Payee, as Seller, relating to Maker's acquisition of Seller's assets.

                                       II.
                                  PAYMENT TERMS

     This note is subject  to the terms of the  Agreement,  including  the terms
thereof relating to adjustment of the principal balance hereof.  This note shall
be due and  payable on August 31,  1999 or on the date that  William L.  Jenkins
ceases to be President of Maker or on the date that William L. Jenkins ceases to
be a shareholder of Maker, whichever occurs first.

                                      III.
                                    INTEREST

     This Note  shall  bear  interest  at the rate of six and  one-half  percent
(6.5%)  per annum  from  September  1, 1997  until  paid in full,  on the unpaid
balance. Interest shall be due and payable quarterly, beginning January 2, 1998,
and continuing on the second day of April, July October and January  thereafter,
until paid in full.  In the event Maker fails to pay any  interest or  principal
when due  hereunder,  the  rate of  interest  on the  amount  past due  shall be
increased to eleven percent (11%).

                                       IV.
                                RIGHT OF PAYMENT

     This Note may be prepaid, in whole or in part, at any time without penalty.

                                       V.
                        DEFINITION OF AN EVENT OF DEFAULT

     The following  shall  constitute and event of default:  failure to pay when
due any  installment  of principal or interest of this Note;  the issuance of an
writ of  garnishment  or writ of attachment  as to any property of Maker,  which
writ of garnishment or attachment is not cured within thirty (30) days after its
issuance.


<PAGE>
                                       VI.
                             COLLECTION, WAIVER, ETC

     In the event of any  Default,  then Payee may, if such default is not cured
within ten (10) days after  receipt of written  notice  thereof from Payee,  and
without further notice,  declare the unpaid principal  balance hereof,  together
with earned and unpaid interest, immediately due and payable.

     Each  maker,  indorser,  and  guarantor  or other  surety of this Note does
hereby waive demand,  grace,  presentment for payment,  and protest, and further
does hereby  agree and consent  that this Note may be renewed,  and the time for
payment extended without notice, and without releasing any of the parties.

     In the  event of any  default  by any  party as to any  duty,  warranty  or
undertaking  owed to  another  party,  which  default  results in efforts by the
non-defaulting  party to remedy  same  (whether a lawsuit is filed or not),  the
defaulting  party shall pay,  in addition to such other sums as may be due,  all
costs and expenses of such efforts,  including, but not limited to, a reasonable
attorney's fee.

     No delay or  omission  on the part of the  holder in  exercising  any right
hereunder  shall  operate as a waiver of such right or of any other  right under
this Note.  A waiver on any one  occasion  shall not be construed as a bar to or
waiver of any right or remedy on any future occasion.

                                                     BLACK WARRIOR WIRELINE CORP



                                                     BY:      William L. Jenkins
                                                     ITS:     President




<PAGE>



         THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
         UNDER THE  SECURITIES  ACT OF 1933,  AS  AMENDED.  THE  TRANSFER OF THE
         SECURITIES  REPRESENTED BY THIS  CERTIFICATE IS SUBJECT TO RESTRICTIONS
         ON THEIR OFFER AND SALE UNTIL THE REGISTRATION REQUIREMENTS OF SUCH ACT
         HAVE BEEN COMPLIED WITH OR AN EXEMPTION  THEREFROM IS AVAILABLE AND THE
         COMPANY  RESERVES THE RIGHT TO REFUSE THE  TRANSFER OF SUCH  SECURITIES
         UNTIL SUCH REQUIREMENTS HAVE BEEN MET.


STATE OF TEXAS

COUNTY OF MONTGOMERY                                 DATE:  September ____, 1997


                       PROMISSORY NOTE FOR NET RECEIVABLES
                               DUE AUGUST 31, 1999


     As set forth below,  BLACK WARRIOR  WIRELINE  CORP, a Delaware  corporation
("Maker") promises to pay to DIAMONDBACK DIRECTIONAL,  INC. ("Payees"),  the sum
of $341,096 in lawful money of the United States for value  received  payable at
13843 Highway 105 West, Suite 212,  Conroe,  Texas 77304 or any other address as
designated by the Payees, from time to time.

                                       I.
                                   DEFINITIONS

     As used herein, the term "Agreement" shall mean that certain Asset Purchase
Agreement  dated effective  September 1, 1997 between Maker,  as Purchaser,  and
Payee, as Seller, relating to Maker's acquisition of Seller's assets.

                                       II.
                                  PAYMENT TERMS

     This note is subject  to the terms of the  Agreement,  including  the terms
thereof relating to adjustment of the principal balance hereof.  This note shall
be due and  payable on August 31,  1999 or on the date that  William L.  Jenkins
ceases to be President of Maker or on the date that William L. Jenkins ceases to
be a shareholder of Maker, whichever occurs first.

                                      III.
                                    INTEREST

     This Note  shall  bear  interest  at the rate of six and  one-half  percent
(6.5%)  per annum  from  September  1, 1997  until  paid in full,  on the unpaid
balance. Interest shall be due and payable quarterly, beginning January 2, 1998,
and continuing on the second day of April, July, October and January thereafter,
until paid in full.  In the event Maker fails to pay any  interest or  principal
when due  hereunder,  the  rate of  interest  on the  amount  past due  shall be
increased to eleven percent (11%).

                                       IV.
                                RIGHT OF PAYMENT

     This Note may be prepaid, in whole or in part, at any time without penalty.

                                       V.
                        DEFINITION OF AN EVENT OF DEFAULT

     The following  shall  constitute and event of default:  failure to pay when
due any  installment  of principal or interest of this Note;  the issuance of an
writ of  garnishment  or writ of attachment  as to any property of Maker,  which
writ of garnishment or attachment is not cured within thirty (30) days after its
issuance.


<PAGE>

                                       VI.
                             COLLECTION, WAIVER, ETC

     In the event of any  Default,  then Payee may, if such default is not cured
within ten (10) days after  receipt of written  notice  thereof from Payee,  and
without further notice,  declare the unpaid principal  balance hereof,  together
with earned and unpaid interest, immediately due and payable.

     Each  maker,  indorser,  and  guarantor  or other  surety of this Note does
hereby waive demand,  grace,  presentment for payment,  and protest, and further
does hereby  agree and consent  that this Note may be renewed,  and the time for
payment extended without notice, and without releasing any of the parties.

     In the  event of any  default  by any  party as to any  duty,  warranty  or
undertaking  owed to  another  party,  which  default  results in efforts by the
non-defaulting  party to remedy  same  (whether a lawsuit is filed or not),  the
defaulting  party shall pay,  in addition to such other sums as may be due,  all
costs and expenses of such efforts,  including, but not limited to, a reasonable
attorney's fee.

     No delay or  omission  on the part of the  holder in  exercising  any right
hereunder  shall  operate as a waiver of such right or of any other  right under
this Note.  A waiver on any one  occasion  shall not be construed as a bar to or
waiver of any right or remedy on any future occasion.

                                                     BLACK WARRIOR WIRELINE CORP



                                                     BY:      William L. Jenkins
                                                     ITS:     President






                         AGREEMENT FOR PURCHASE AND SALE

     This Agreement for Purchase and Sale (the "Agreement"), is made and entered
as of October 9, 1997, by and between Black Warrior  Wireline  Corp., a Delaware
corporation ("Black Warrior"),  and St. James Capital Partners, L.P., a Delaware
limited  partnership  ("Purchaser"),  and sets forth the terms and conditions of
the  sale  and  purchase  of  a  $2,900,000  7%  Convertible   Promissory  Note,
substantially  in the form  attached  hereto  as  Exhibit  A (the  "Note").  For
purposes of this  Agreement,  the term "Seller" is defined to mean Black Warrior
and the Active Subsidiary (defined in Section 2.8 below).

     WHEREAS,  Seller and  Purchaser  are parties to that  certain  agreement in
principal  relating to the  transaction,  which agreement was executed by Seller
and Purchaser on September 10, 1997,  setting forth the agreement of the parties
regarding  the  major  terms of the  transaction,  which the  parties  desire to
further formalize and record by this Agreement.

     WHEREAS,  Seller  desires  to issue and sell to  Purchaser,  and  Purchaser
desires to purchase and accept from  Seller,  the Note in the form of Exhibit A,
on the terms and subject to the conditions set forth herein.

     WHEREAS,  the  obligations  of Seller  under the Note are  secured  by that
certain Borrower Security Agreement dated as of June 5, 1997, between Seller and
Purchaser,  which is  hereby  amended  and  modified  pursuant  to that  certain
Amendment and Ratification of Borrower Security  Agreement  substantially in the
form  attached  hereto as  Exhibit  B-1 (the  "Amendment  of  Borrower  Security
Agreement"),  by that certain  Subsidiary  Security Agreement (herein so called)
dated  as of June 5,  1997,  between  the  subsidiaries  of  Black  Warrior  and
Purchaser,  which is  hereby  amended  and  modified  pursuant  to that  certain
Amendment and Ratification of Subsidiary  Security  Agreement,  substantially in
the form attached hereto as Exhibit B-2 (the  "Amendment of Subsidiary  Security
Agreement"),  and are guaranteed by that certain Subsidiary Guaranty dated as of
June 5, 1997, by the subsidiaries of Black Warrior in favor of Purchaser,  which
is amended and modified  pursuant to that certain  Amendment and Ratification of
Subsidiary  Guaranty  substantially  in the form attached  hereto as Exhibit B-3
(the "Amendment of Subsidiary Guaranty").

     WHEREAS,  Seller  and  Purchaser  desire to make  certain  representations,
warranties and  agreements in connection  with the purchase and sale of the Note
contemplated hereby.


<PAGE>

     WHEREAS,  Seller  desires to sell to  Purchaser  warrants  ("Warrants")  to
purchase  725,000 shares of Seller's  Common Stock,  par value $0.0005 per share
(the "Common Stock"),  which Warrants shall have the terms and be subject to the
conditions set forth in the form of Warrants attached hereto as Exhibit C.

     WHEREAS,  Seller desires to grant to Purchaser certain  registration rights
in respect of the  shares of  Seller's  Common  Stock  that may be  acquired  on
conversion of the Note and on the exercise of the Warrants,  which  registration
rights  shall have the terms and be subject to the  conditions  set forth in the
Registration  Rights Agreement dated as of June 5, 1997, as amended and modified
by that certain Amendment No. 1 to Registration  Rights Agreement  substantially
in the form attached hereto as Exhibit D (the "Amendment to Registration  Rights
Agreement").

     WHEREAS, this Agreement, the Note, the Amendment to Security Agreement, the
Amendment  to  Subsidiary  Security  Agreement,   the  Amendment  to  Subsidiary
Guaranty,  the Warrants,  and the Amendment to Registration Rights Agreement are
collectively referred to herein as the "Transaction Documents".

     NOW, THEREFORE,  in consideration of the premises and the  representations,
warranties and agreements herein, the parties agree as follows:

                                    ARTICLE I

                                PURCHASE AND SALE

     1.1 Purchase and Sale of the Note and the Warrants. Subject to the terms of
this  Agreement,  Seller agrees to and does hereby  issue,  sell and deliver the
Note and the  Warrants to  Purchaser  at the Closing  (as defined  herein),  and
Purchaser  agrees  to and  does  hereby  purchase  and  accept  the Note and the
Warrants from Seller.

     1.2  Consideration  for Purchase of the Note.  Subject to the terms of this
Agreement,  Purchaser hereby agrees to pay to Seller,  by check or wire transfer
to the account of Seller,  $2,900,000,  as the consideration for the purchase of
the Note (the "Note Consideration"). It is the intention of the parties that the
Note Consideration shall be advanced in multiple advances, with $2,900,000 being
paid  at  the  time  of the  closing  of  Seller's  acquisition  of  Diamondback
Directional,  Inc.  Interest  under the Note shall  accrue on  amounts  actually
advanced.

     1.3  Consideration  for Purchase of the  Warrants.  Subject to the terms of
this Agreement, Purchaser hereby agrees to pay to Seller at Closing, by check or
wire  transfer  to the  account of Black  Warrior,  $36,250  (or $0.05 per share
subject to the Warrants) as the  consideration  for the purchase of the Warrants
(the  "Warrant   Consideration";   the  Note   Consideration   and  the  Warrant
Consideration are collectively referred to herein as the "Consideration").

     1.4  Origination  Fee. Seller agrees to pay Purchaser at Closing a one-time
origination fee in the amount of $36,250 (the "Origination Fee") for the payment
of the Note Consideration.

     1.5  Subordination  to Future  Financing.  Purchaser  agrees to enter  into
subordination  agreements with senior secured lenders that provide  financing to
Seller in an amount  not to exceed  $4,500,000  with  respect to a term loan and
$3,000,000  with respect to a revolving  credit  facility (in this section,  the
"Senior  Lenders"),  pursuant to which Purchaser would  subordinate its security
interests and rights to the  indebtedness  and security  interests of the Senior
Lenders.  Such  subordination  agreements  shall  be  on  terms  and  conditions
acceptable  to all parties  (including  Purchaser,  which agrees to negotiate in
good faith with  respect to the  subordination  agreement)  at the time they are
entered into.  Such  subordination  agreements  shall not obligate  Purchaser to
"stand  still"  for a period of time  longer  than 120 days  after a default  by
Seller in its obligations to the Senior Lender(s).


                                       2
<PAGE>

     1.6  Future  Financings.  If  Seller,  at any  time so long as the  Note is
outstanding,  intends  to  issue or sell  any  shares  of  capital  stock,  debt
securities or securities  convertible into,  exchangeable for or exercisable for
shares of capital stock or debt  securities (a  "Financing"),  Seller shall give
Purchaser  written  notice (the "Offer") of its intent to engage in a Financing,
specifying its basic terms and conditions.  If Purchaser gives notice to Seller,
specifying  Purchaser's  basic  terms and  conditions,  of its intent to provide
Financing on a basis  materially  similar to the proposal set forth in the Offer
within five (5) business days after receipt of the Offer (a "Financing Notice"),
then Seller shall be obligated to consummate  the Financing  only with Purchaser
and Purchaser  shall be obligated to provide the financing at the time committed
by the third party whose  commitment  gave rise to the Offer.  If Purchaser does
not within five (5)  business  days after  receipt of the Offer give to Seller a
Financing Notice, Purchaser shall be deemed to have waived its rights to provide
the  Financing  under  this  Section,  and  Seller may  thereafter  obtain  such
Financing from a third party or parties if such third party  Financing is on the
same basic terms and  conditions  as those set forth in the Offer.  Any proposed
Financing on terms materially different from those basic terms and conditions in
the Offer deemed waived by Purchaser shall require a new Offer and compliance by
Seller with the  provisions  of this  Section.  Notwithstanding  the  foregoing,
Seller shall not be required to comply with this Section in connection with: (i)
the issuance and sale of Common Stock or  convertible  securities  in connection
with any employee  stock option plan,  arrangement or agreement now or hereafter
in effect;  (ii) the  issuance of capital  stock of Seller upon  exercise of the
Warrants or otherwise issued to Purchaser or its assigns;  (iii) the issuance of
capital stock upon exercise of any stock purchase  warrant or option (other than
the  options  referred  to in clause  (i) above) or other  convertible  security
outstanding on the date hereof or hereafter  issued;  (iv) a public  offering of
securities;  (v) any loan from a regular  commercial lending source; or (vi) any
securities issued with the favorable vote of Purchaser's  designee as a director
of the Seller.

     1.7 Other Permitted Debt.  Seller shall be permitted to incur  indebtedness
for  borrowed  money for the  purchase or financing of equipment in the ordinary
course of business, in an amount not to exceed $2,500,000.


                                   ARTICLE II

                    REPRESENTATIONS AND WARRANTIES OF SELLER

     Seller  represents  and  warrants to Purchaser  that each of the  following
statements (i) are true and correct on the date hereof and (ii) will be true and
correct  in all  material  respects  on  the  date  each  advance  of  the  Note
Consideration is made:

     2.1 Organization,  Standing and Qualification. Seller is a corporation duly
organized,  validly existing and in good standing under the laws of the state of
its  incorporation  and has all requisite  corporate power and authority to own,
lease and operate its properties and to carry on its business as it is now being
conducted.  Seller  is  licensed  and  qualified  to do  business  as a  foreign
corporation in each jurisdiction in which the character of Seller's  properties,
owned or leased,  or the nature of its activities  makes such  qualification  or
license necessary.


                                       3
<PAGE>

     2.2 Authority;  No Defaults.  Seller has all requisite  corporate power and
authority  to  enter  into  the  Transaction  Documents  and to  consummate  the
transactions contemplated thereby. The execution and delivery of the Transaction
Documents and the  consummation of the  transactions  contemplated  thereby have
been duly  authorized by all necessary  corporate  action on the part of Seller.
The  Transaction  Documents  have been  executed  and  delivered  by Seller  and
constitute the valid and binding obligation of Seller, enforceable in accordance
with  their  terms,  subject to  bankruptcy,  insolvency,  moratorium  and other
similar laws affecting  creditors'  rights  generally and general  principles of
equity (regardless of whether such  enforceability is considered in a proceeding
in equity or at law). The execution and delivery of the Transaction Documents do
not, and the  consummation of the transactions  contemplated  hereby and thereby
will not,  conflict  with or result  in a breach of or the  acceleration  of any
obligation  under,  or constitute a default or event of default (or event which,
with  notice or lapse of time or both,  would  constitute  a default or event of
default) under, any provision of any charter, bylaw, indenture,  mortgage, lien,
lease, agreement,  contract,  instrument,  order, judgment, decree, ordinance or
regulation,  or any restriction to which any property of Seller is subject or by
which  Seller is bound,  the  effect of which  would be  materially  adverse  to
Seller.  Seller is not, nor does Seller have knowledge that it is alleged to be,
in material violation or default of any applicable law, statute,  order, rule or
regulation  promulgated or judgment entered by any court,  administrative agency
or  commission  or other  governmental  agency or  instrumentality,  domestic or
foreign (a  "Governmental  Entity"),  relating to or  affecting  the  operation,
conduct or ownership of the property or business of Seller.

     2.3 Approvals.  There is no legal  impediment to the execution and delivery
of  the  Transaction   Documents  by  Seller  or  to  the  consummation  of  the
transactions  contemplated  thereby,  and no filing  or  registration  with,  or
authorization,  consent or approval of, a Governmental  Entity,  shareholders or
any  other  third  party is  necessary  for the  consummation  by  Seller of the
transactions contemplated thereby.

     2.4 Charter and Bylaws. Seller has furnished to Purchaser true and complete
copies of its charter and bylaws,  each as amended to date and as  presently  in
effect.

     2.5 SEC Documents.  (a) Seller has made all filings with the Securities and
Exchange  Commission  ("SEC")  that  it has  been  required  to make  under  the
Securities Act of 1933, as amended (the  "Securities  Act"),  and the Securities
Exchange Act of 1934, as amended (the  "Exchange  Act") since December 31, 1994.
Seller has provided to Purchaser  true,  complete and correct copies of Seller's
annual  report on Form 10-K  ("Seller's  Form  10-K") for the fiscal  year ended
December 31, 1996,  together with all  amendments  thereto,  Seller's  quarterly
report on Form 10-Q for the fiscal  quarters  ended  March 31, 1997 and June 30,
1997, together with all amendments thereto, and any and all filings with the SEC
made by Seller  (including  all requested  exhibits to such  filings)  since the
filing of said Form 10-K (all such  documents that have been filed with the SEC,
as  amended,  are  referred  to as the  "Seller  SEC  Documents").  As of  their
respective  dates, and except as amended,  Seller SEC Documents  complied in all
material  respects with the  requirements  of the Securities Act or the Exchange
Act, as the case may be, and none of Seller SEC  Documents  contained any untrue
statement of a material  fact or omitted to state a material fact required to be
stated  therein or necessary  to make the  statements  therein,  in light of the
circumstances under which they were made, not misleading.


                                       4
<PAGE>

        (b) The financial  statements of Seller included in Seller SEC Documents
comply  as  to  form  in  all  material  respects  with  applicable   accounting
requirements  and with  the  published  rules  and  regulations  of the SEC with
respect  thereto,  have been  prepared in  accordance  with  generally  accepted
accounting  principles ("GAAP") applied on a consistent basis during the periods
involved (except as may be indicated in the notes thereto or, in the case of the
unaudited statements, as permitted by Form 10-Q) and fairly present (subject, in
the case of the unaudited statements, to normal recurring audit adjustments) the
consolidated  financial  position  of  Seller as of the  dates  thereof  and the
consolidated  results  of its  operations  and cash flows for the  periods  then
ended.  Since June 30, 1997, (i) there have been no material  adverse changes in
Seller's  business,   operations  or  financial   condition  and  (ii)  Seller's
operations  have been  conducted  in the ordinary  course of business  except as
disclosed in writing to Purchaser.

     2.6 Litigation. Except as set forth on Schedule 2.6, as of the date of this
Agreement,  there is no suit, action, proceeding or investigation pending or, to
the best knowledge of Seller,  threatened  against or affecting  Seller,  nor is
there any  outstanding  judgment,  order,  writ,  injunction  or decree  against
Seller, which judgment would have a material adverse effect on Seller. Seller is
not subject to any court order, writ, injunction,  decree,  settlement agreement
or  judgment  that  contains  or  orders  any  on-going   obligations,   whether
prohibitory  or  mandatory  in nature,  the  performance  of which  would have a
material adverse effect on Seller.

     2.7   Capitalization.   Black  Warrior  has  authorized  capital  stock  of
12,500,000  shares of Common Stock of which,  as of the date  hereof,  there are
2,250,216  shares  issued and  outstanding.  All of the  issued and  outstanding
shares of Common  Stock  were duly and  validly  issued  and are fully  paid and
non-assessable.  None of the outstanding  shares of Common Stock has been issued
in violation of any  preemptive  rights of the current or past  stockholders  of
Seller.  As of the date hereof,  Black  Warrior has reserved for issuance (i) an
aggregate  of 653,750  shares of Common  Stock  issuable  on  issuance  of stock
options  to  employees,  officers,  directors  and  other  persons  and  (ii) an
aggregate of 1,202,750  shares of Common Stock issuable on exercise  outstanding
warrants,  options, or of convertible  securities other than those listed in (i)
above.  Except as set forth on Schedule 2.7 or described  above in (i) and (ii),
there are no  outstanding  options,  warrants  or rights to  subscribe  for,  or
commitments  of any  character  whatsoever  relating to, or securities or rights
convertible  into or  exchangeable  for,  shares of the  capital  stock of Black
Warrior or contracts, commitments, understandings or arrangements by which Black
Warrior is or may be obligated to issue  additional  shares of its capital stock
or options,  warrants, or rights to purchase or acquire any additional shares of
its  capital  stock.  All of the  Common  Stock  issued on the  exercise  of the
Warrants  will  be  fully  paid,  non-assessable  and  free  and  clear  of  any
Encumbrances.  As used in this  Agreement,  the  term  "Encumbrance"  means  and
includes (i) any  security  interest,  mortgage,  deed of trust,  lien,  charge,
pledge,  proxy, adverse claim, equity, power of attorney,  or restriction of any
kind,  including  but not limited to, any  restriction  or servitude on the use,
transfer,  receipt of income,  or other exercise of any attributes of ownership,
and (ii) any Uniform Commercial Code financing statement or other public filing,
notice or record that by its terms  purports  to  evidence or notify  interested
parties  of any of the  matters  referred  to in  clause  (i)  that has not been
terminated or released by another proper public filing, notice or record.

     2.8  Subsidiaries.  Schedule 2.8 sets forth the only active  subsidiary  of
Seller,  including state or country of organization and address of its principal
executive offices ("Active Subsidiary").  For purposes of this Agreement and the
other  agreements  contemplated  hereby,  the  Active  Subsidiary  is  the  only
"subsidiary" of Seller.  Schedule 2.8 also discloses four inactive  corporations
and/or limited partnerships owned by Seller (the ("Inactive Organizations"), all
four of  which  are at this  time  inactive,  defunct,  and  have no  value.  No
representation,   warranty,  financial  standard  or  other  provision  of  this
Agreement,  or any agreement  contemplated  hereby,  shall be deemed violated by
virtue  of the fact  that any of the  Inactive  Organizations  do not meet  said
representation, warranty, financial standard or other provision. However, if any
Inactive  Organization  begins to conduct any business (other than activities to
"wind down" such organization) such Inactive Organization shall be considered an
Active  Subsidiary  (and cease to be an Inactive  Organization)  from that point
forward. The Active Subsidiary is a corporation duly organized, validly existing
and in good standing under the laws of the jurisdiction of its organization, has
all requisite  corporate  power and authority to own, to lease or to operate its
properties and to carry on its business as it is now being conducted and is duly
qualified or licensed to do business in each jurisdiction in which the character
of its properties,  owned or leased,  or the nature of its activities makes such
qualification  or license  necessary,  unless the  failure to be so  licensed or
qualified  would not have a material,  adverse  effect on Seller.  Except as set
forth in Schedule  2.8, all  outstanding  shares of capital  stock of the Active
Subsidiary  were duly and validly issued and are fully paid,  nonassessable  and
owned by Seller or a subsidiary of Seller,  free and clear of all  Encumbrances.
There are no  options,  warrants  or other  rights,  agreements  or  commitments
(including  preemptive  rights)  obligating  Seller or the Active  Subsidiary to
issue, to sell or to transfer any shares of capital stock or other securities of
the  Active  Subsidiary.  There  are 151  shares  of  capital  stock  of  Active
Subsidiary issued and outstanding, all of which has been pledged to Purchaser.


                                       5
<PAGE>

     2.9  Liabilities.  Except  as set  forth in  Schedule  2.9,  Seller  has no
liabilities or obligations,  either accrued, absolute,  contingent, or otherwise
that have a material  adverse  effect on the value or  business  of Seller,  and
Seller has no knowledge of any potential  liability that it reasonably  believes
would  likely  result in a material  adverse  effect on the value or business of
Seller, other than those (a) reflected or reserved against in the balance sheets
reported on Seller's  Form 10-Q for the fiscal  quarter  ended June 30, 1997, or
(b) incurred in the ordinary course of business since June 30, 1997.

     2.10 Licenses,  Permits,  Authorizations,  Etc. Seller holds all approvals,
authorizations,  consents,  licenses, orders, franchises,  rights, registrations
and permits of any type required to operate its business as presently conducted.
The  execution  and  delivery  of this  Agreement  and the  consummation  of the
transactions   contemplated   hereby   will  not   result  in  any   revocation,
cancellation,  suspension or modification  of any such approval,  authorization,
consent license, order, franchise, right, registration or permit.

     2.11 Title to Assets; Encumbrances. Except as set forth in Schedule 2.11:

          (a)  Seller has good and  indefeasible  title to its  assets,  whether
     real, personal or intangible, free and clear of all Encumbrances except (i)
     liens for current taxes and  assessments  not yet due or being contested in
     good faith by appropriate proceedings,  (ii) mechanic's liens arising under
     the  operation  of law for  actions  contested  in good  faith or for which
     payment  arrangements  have been made,  (iii) liens  granted or incurred by
     Seller in the ordinary  course of its  business or financing of  equipment,
     office  space,  furniture  and  computers  in the  ordinary  course  of its
     business,  and  (iv)  easements,  rights  of way,  encroachments  or  other
     restrictions  or matters  affecting  title  which do not prevent the assets
     from being used for the purpose for which they are currently being used;

          (b) There are no parties in  possession of any of the assets of Seller
     other than personal  property held by third parties in the  reasonable  and
     ordinary course of business. Seller enjoys full, free and exclusive use and
     quiet  enjoyment of its assets and its rights  pertaining  thereto.  Seller
     enjoys peaceful and undisturbed  possession under all leases under which it
     is a lessee, and all such leases are legal,  valid and binding  obligations
     of Seller, enforceable against Seller in accordance with its terms.

     2.12 Taxes and  Returns.  Seller has filed all  required  tax  returns  and
reports.  Seller has paid all taxes,  assessments and  governmental  charges and
penalties which it has incurred, except such as are being or may be contested in
good faith by appropriate  proceedings.  Seller is not delinquent in the payment
of any tax,  assessment or governmental  charge.  No deficiencies  for any taxes
have been proposed,  asserted,  or assessed against Seller,  and no requests for
waivers of the time to assess any such tax are pending. For the purposes of this
Agreement,  the term  "tax"  (including,  with  correlative  meaning,  the terms
"taxes" and  "taxable")  shall  include all  federal,  state,  local and foreign
income, profits,  franchise,  gross receipts,  payroll, sales, employment,  use,
property,  withholding,  excise and other taxes,  duties or  assessments  of any
nature whatsoever,  together with all interest,  penalties and additions imposed
with respect to such amounts.


                                       6
<PAGE>

     2.13  Insurance.  Each  policy  of  property,  fire and  casualty,  product
liability, worker's compensation, professional liability and title insurance and
other forms of insurance (except group,  health and life policies) and each bond
issued  or  posted  by any  person  with  respect  to any  operations  or  other
activities  of Seller  is, to the  knowledge  of Seller,  the  legal,  valid and
binding obligation of the insurer or bond issuer, enforceable in accordance with
its terms,  and is in an amount and provides for coverage as is customary in the
ordinary business practices of Seller's industry.

     2.14 Patents, Trademarks, Etc. Seller has no patents,  trademarks,  service
marks, works of authorship,  tradenames, brandnames or copyrights. Seller is not
using,  and does not have any plan to  manufacture,  use or sell anything  which
would violate or infringe on any patent or proprietary right (of which Seller is
aware) of any other person, firm or corporation or which would require a license
under  any such  patent  or  proprietary  right.  Seller  has not  received  any
communications  alleging that Seller has violated or, by conducting its business
as  proposed,  would  violate any of the  patents,  trademarks,  service  marks,
tradenames,   copyrights,   works  of  authorship  or  trade  secrets  or  other
proprietary rights in processes of any other person or entity.

     2.15 Material  Contracts and Obligations.  Attached hereto as Schedule 2.15
is a list of all material agreements of any nature to which Seller is a party or
by which it or any of its properties is bound, including without limitation, the
Master Service  Agreement with the ten top customers (based on dollar volume) of
Seller,  all employment  and consulting  agreements,  loan  agreements,  leases,
purchase  contracts,  employee  benefit,  bonus,  pension,  stock option,  stock
purchase  and  similar  plans  and  arrangements,   and  distributor  and  sales
representative  agreements.  True and complete copies of such written agreements
have been provided to Purchaser.  All such  agreements  and contracts are valid,
binding  and in full  force and  effect.  Seller is not in default on any of the
agreements listed on Schedule 2.15.

     2.16  Compliance.  Except as set forth on Schedule 2.16 Seller has complied
in all material  respects with all laws,  and is not in violation of any charter
or other corporate restrictions or any law, ordinance, requirement,  regulation,
judgment,  injunction, award, decree, or other order applicable to its business.
There is no term or provision of any mortgage, indenture, contract, agreement or
instrument to which Seller is a party or by which it is bound,  any provision of
any state or federal judgment, decree, order, injunction, writ, statute, rule or
regulation  applicable  to or binding upon Seller,  which  materially  adversely
affects  or,  in the  future is  reasonably  likely  to  affect  materially  and
adversely the business, prospects, condition, affairs or operations of Seller or
any of its  properties  or assets.  To the  knowledge of Seller,  no employee of
Seller is in violation of any term of any employment  contract,  patent or other
proprietary  information disclosure agreement or any other contract or agreement
relating to the employment of such employee with Seller.

     2.17 Employees.  Seller has obtained employment  agreements,  some of which
contain nondisclosure and assignment of invention provisions and non-competition
provisions,  with Seller from some  employees  and  consultants  of Seller whose
employment  responsibility  requires  access  to  confidential  and  proprietary
information of Seller, in a form satisfactory to Purchaser.  Seller has complied
in all material respects with all applicable and material state and federal laws
respecting  employment  and  employment  practices,   terms  and  conditions  of
employment,  wages and hours and other laws related to employment, and there are
no arrears in the payment of wages, or social security taxes.


                                       7
<PAGE>

     2.18 Transactions with Affiliates and Stockholders.  Except as set forth on
Schedule 2.18, no stockholder,  officer, director or employee of Seller, nor any
"affiliate"  or  "associate"  of such  persons (as such terms are defined in the
rules and  regulations  promulgated  under the  Securities  Act), is presently a
party  to  any  transaction  with  Seller,  including  without  limitation,  any
contract,  agreement  or other  arrangement  providing  for the  employment  of,
furnishing of services by, rental of real or personal property from or otherwise
requiring payments to, any such person or entity.

     2.19 Use of Proceeds. Seller will not use the Consideration,  except to (i)
fund Seller's  acquisition  of the assets of  Diamondback  Directional,  Inc., a
Texas  corporation  (the  "Acquisition");  and  (ii)  pay  attorneys'  fees  and
transactional  costs  in  connection  with  this  Agreement  and all  agreements
contemplated  hereby, as well as pursuant to that certain Agreement for Purchase
and Sale dated  June 5, 1997.  Seller  shall not use the  Consideration  for any
other purpose without the prior consent of Purchaser.

     2.20 Books and Records.  The minute books of Seller furnished to counsel to
Purchaser for review contain  complete and accurate  records of all meetings and
other  corporate  actions of its  stockholders  and its Board of  Directors  and
committees  thereof.  The stock  ledger  and stock  transfer  records  of Seller
furnished  by Liberty  Transfer  Company to counsel to  Purchaser  for review is
complete  and  reflects  all  issuances,  transfers  of which  Seller  is aware,
repurchases and cancellations of shares of capital stock of Seller.

     2.21  Stockholder  Agreements.  Except as set forth in Schedule  2.21 or as
contemplated by this Agreement, there are no agreements,  written or oral, which
are (i)  between  Seller and any  holder of its  capital  stock,  or (ii) to the
knowledge  of Seller,  among any persons  holding  five  percent (5%) or more of
Seller's capital stock,  relating to the  acquisition,  disposition or voting of
the capital stock of Seller.

     2.22 ERISA.  Except as disclosed on Schedule  2.22,  seller has no employee
benefit plans subject to the Employment Retirement Income Security Act of 1974.

     2.23 Accounts  Receivable.  All accounts  receivable  of Seller  (including
those  reflected  on the  Balance  Sheet or  acquired on or prior to the Closing
Date) arose in the ordinary  and usual  course of business of Seller,  represent
valid obligations due to Seller and have been collected or are, to Seller's best
knowledge, collectible in the ordinary and usual course of business of Seller in
the aggregate  recorded  amounts  thereof in accordance with their terms less in
the case of accounts  receivable  reflected  in the  Financial  Statements,  all
allowance  for doubtful  accounts  marked  therein,  and in the case of accounts
receivable thereafter, all allowances for doubtful accounts consistent with past
practices of Seller.

     2.24 Hazardous Wastes and Substances.  Neither the operations of Seller nor
the use of its  assets  violates  any  applicable  federal,  state or local law,
statute,  ordinance,  rule,  regulation,  memorandum of understanding,  order or
notice  requirement  pertaining  to  the  collection,  transportation,  storage,
treatment, discharge, release or disposal of hazardous or non-hazardous waste or
substances,  including without  limitation (i) the  Comprehensive  Environmental
Response, Compensation and Liability Act of 1980 (42 U.S.C, ss.ss.9601 et seq.),
as  amended  from  time  to  time  on or  before  the  Closing  Date  ("CERCLA")
(including,  without limitation, as amended pursuant to the Superfund Amendments
and Reauthorization Act of 1986), and such regulations  promulgated under CERCLA
on or before the Closing Date, (ii) the Resources  Conservation and Recovery Act
of 1976 (42 U.S C. ss.ss.6901 et seq.), as amended from time to time ("RCRA") on
or before the Closing Date, and such regulations  promulgated  under RCRA, (iii)
any  applicable  federal,  state or local laws or  regulations  relating  to the
environment  in  effect  on the  Closing  Date  (collectively,  the  "Applicable
Environmental  Laws").  Except  as  disclosed  on  Schedule  2.24,  none  of the
operations  of Seller has ever been  conducted  nor have any of its assets  been
used in such a manner as to  constitute  a  violation  of any of the  Applicable
Environmental  Laws.  No notice  has been  served  on  Seller  by any  person or
Governmental Entity regarding any existing,  pending or threatened investigation
or inquiry  related to violations  under any  Applicable  Environmental  Law, or
regarding any claims for corrective action, remedial obligations or contribution
for  removal  costs or  damages  under  any  Applicable  Environmental  Law,  or
regarding the  designation  of Seller or any of its  affiliates as a potentially
responsible party for any facility under the Applicable  Environmental Laws, nor
does any fact or  circumstance  exist  which,  if disclosed  publicly,  would be
reasonably  likely to result in the service on Seller of any such notice.  There
has been no action taken, or omitted to be taken by Seller which has caused,  or
would be reasonably likely to cause, a "release" of any "hazardous substance" at
any "facility," without limitation,  within the meaning of such terms as defined
in the Applicable Environmental Laws.


                                       8
<PAGE>

     2.25  Disclosures.  Neither  this  Agreement  nor any  Exhibit or  Schedule
hereto,  nor any certificate or other  instrument  furnished to Purchaser or its
counsel  by Seller in  connection  with the  transactions  contemplated  hereby,
contains any untrue  statement  of a material  fact or omits to state a material
fact necessary in order to make the statements  contained herein or therein,  in
the light of the circumstances under which they were made, not misleading.

                                   ARTICLE III

                                    COVENANTS

     3.1 New  Subsidiaries.  Seller  agrees that (i) any  Inactive  Organization
which becomes an Active  Subsidiary  after the  execution of this  Agreement and
(ii) any other entity of which Seller obtains  control  (directly or indirectly)
of more  than 50% of the  outstanding  voting  stock or equity  interests  shall
execute a written  agreement  to be bound by that  certain  Subsidiary  Security
Agreements,  dated as of even date herewith,  before the events set forth in (i)
or (ii) above have occurred.

     3.2  Additional  Security  Interests.  Seller  agrees that if any  Inactive
Organization  begins to conduct  any  business  Seller  shall  pledge all of its
interest in such  Inactive  Organization  to secure the Notes by (i) executing a
security  agreement  substantially in the form of that certain Borrower Security
Agreement,  dated as of even date herewith and (ii) delivering all  certificates
representing   the  shares  of  stock  being   pledged,   before  such  Inactive
Organization commences doing business.

     3.3  Conversion of Note;  Registration  of  Securities.  The parties hereto
recognize and acknowledge that Purchaser  previously  purchased from Seller that
certain  $2,000,000  9%  Convertible  Promissory  Note  dated  June 5, 1997 (the
"Original Convertible Note").  Purchaser hereby covenants and agrees to promptly
convert the Original  Convertible  Note  pursuant to its terms,  but only if and
when (i) Seller has filed,  within 60 days of the date  hereof,  a  registration
statement  covering the shares of Common Stock  issuable upon (a)  conversion of
the Original  Convertible Note, (b) exercise of the Warrants dated as of June 5,
1997, to purchase 546,000 and 120,000 shares of Common stock, respectively,  (c)
conversion  of  the  Note  and  (d)  exercise  of the  Warrants  and  (ii)  such
registration  statement  has  been  declared  effective  by the  Securities  and
Exchange Commission.

                                   ARTICLE IV

                                   THE CLOSING

     4.1 Time and Place.  Subject to the  provisions of Section 1.2 herein,  the
closing of the purchase and sale of the Note and the  Warrants  (the  "Closing")
will take place on a date agreed to by the parties (the "Closing Date"),  at the
offices of Gardere Wynne Sewell & Riggs,  L.L.P.,  unless another time and place
are agreed to by the parties.

     4.2  Conditions to the  Obligation of Seller.  The  obligation of Seller to
effect  the  Closing  is  subject  to  Purchaser  delivering,  or  causing to be
delivered, to Seller at the Closing the Consideration.

     4.3 Conditions to the Obligation of Purchaser.  The obligation of Purchaser
to effect the Closing is subject to  satisfactory  completion of the Acquisition
and payment by Seller of the  Origination  Fee. The  obligation  of Purchaser is
further subject to Seller delivering,  or causing to be delivered,  to Purchaser
at the Closing the following documents:


                                       9
<PAGE>

        4.3.1 copies,  certified by the Secretary of State of Delaware as of May
27,  1997,  of the  charter of Black  Warrior and all  amendments  thereto and a
certificate  of an Officer of Black Warrior  certifying  that there have been no
amendments  to such  charter  since May 27, 1997,  and copies,  certified by the
Secretary of Active  Subsidiary as of the Closing Date, of the charter of Active
Subsidiary and all amendments thereto;

        4.3.2  copies,  certified by the  Secretary of each of Black Warrior and
Active Subsidiary as of the Closing Date, of the bylaws of each of Black Warrior
and Active Subsidiary, respectively, and all amendments thereto;

        4.3.3  copies,  certified by a  certificate  of the Secretary of each of
Black Warrior and Active  Subsidiary as of the Closing Date, of resolutions duly
adopted  by the  board  of  directors  of  each  of  Black  Warrior  and  Active
Subsidiary,  respectively,  authorizing  the  execution  and delivery by each of
Black Warrior and Active Subsidiary,  respectively, of the Transaction Documents
and all other agreements attached hereto as Exhibits or contemplated herein, the
completion of the sale of the Note and Warrants and the taking of all such other
corporate action as shall have been required as a condition to, or in connection
with, the sale of the Note and Warrants;

        4.3.4 the Agreement;

        4.3.5 the Note;

        4.3.6 the Warrants;

        4.3.7 the Amendment of Registration Rights Agreement;

        4.3.8 the Amendment of Security Agreement;

        4.3.9 the Amendment of Subsidiary Security Agreement;

        4.3.10 the Amendment of Subsidiary Guaranty;

        4.3.11 an opinion of William S. Clarke, P.A., counsel to Seller, in form
and substance  acceptable to Purchaser and  addressing  the matters set forth in
Sections 2.1, 2.2, 2.3, 2.7 and 2.8;

        4.3.12 a  certificate  of an Officer of each of Black Warrior and Active
Subsidiary  to the effect that the  representations  and  warranties  of each of
Black Warrior and Active  Subsidiary,  respectively,  herein  contained shall be
true as of and at the  Closing  Date with the same effect as though made at such
date,  except as affected by  transactions  permitted  or  contemplated  by this
Agreement;  and  further to the  effect  that each of Black  Warrior  and Active
Subsidiary shall have performed and complied with all covenants required by this
Agreement to be performed or complied with by each before the Closing Date; and

        4.3.13 a letter  in favor  of  Purchaser's  lender,  in the form of that
attached hereto as Exhibit F.



                                       10
<PAGE>



                                    ARTICLE V
                               GENERAL PROVISIONS

     5.1  Survival  of   Representations,   Warranties   and   Agreements.   The
representations,  warranties  and agreements  contained in this Agreement  shall
survive the Closing.

     5.2 Notices.  All notices or other communications which are required or may
be given  under this  Agreement  shall be in writing and shall be deemed to have
been duly given  when  delivered  in person,  transmitted  by  telecopier  (with
receipt  confirmed)  or mailed by  registered  or  certified  first  class mail,
postage prepaid,  return receipt  requested to the parties hereto at the address
set  forth  below  (as the  same  may be  changed  from  time to time by  notice
similarly  given) or the last known business or residence  address of such other
person as may be designated by either party hereto in writing.

         (a)      If to Seller:

         Black Warrior Wireline Corp.
         3748 Highway #45 North
         Columbus, Mississippi  39701
         Attn:  William L. Jenkins

         (b)      If to Purchaser:

         St. James Capital Partners, L.P.
         c/o St. James Capital Corp.
         1980 Post Oak Boulevard, Suite 2030
         Houston, Texas 77056
         Attn: John L. Thompson

     5.3 Miscellaneous.  This Agreement (i) constitutes the entire agreement and
supersedes all other prior agreements and understandings, both written and oral,
among the parties,  or any of them,  with respect to the subject  matter hereof,
provided, however, this Section 5.3 is not intended to supersede or replace that
certain Agreement for Purchase and Sale dated June 5, 1997 (ii) shall be binding
upon and  inure to the  benefit  of the  parties  hereto  and  their  respective
successors  and assigns and is not  intended to confer upon any other person any
rights or remedies hereunder, (iii) shall be governed in all respects, including
validity,  interpretation  and effect,  by the laws of the State of Delaware and
(iv) may be executed in two or more counterparts which together shall constitute
a single agreement.

     5.4  Publicity.  Seller and Purchaser  promptly  shall advise and cooperate
with the other prior to issuing,  or permitting any of its directors,  officers,
employees or agents to issue,  any press release with respect to this  Agreement
or the transactions contemplated hereby.  Notwithstanding the foregoing, without
the  prior  consent  of  Purchaser,  neither  Seller  nor any of its  directors,
officers,  employees or agents shall issue any press release which  includes the
name of Purchaser or any of Purchaser's affiliates.

     5.5 Assignment.  Neither this Agreement nor any of the rights, interests or
obligations hereunder shall be assigned by either of the parties hereto (whether
by operation of law or otherwise) without the prior written consent of the other
party.

     5.6 Schedules. All statements contained in any exhibit, schedule, appendix,
certificate or other instrument delivered by or on behalf of the parties hereto,
or in connection with the transactions contemplated hereby, are an integral part
of this Agreement and shall be deemed representations and warranties hereunder.

     5.7   Counterparts.   This  Agreement  may  be  executed  in  one  or  more
counterparts,  each of which  constitutes  an  original  execution  and,  in the
aggregate, constitute a single document.


                                       11
<PAGE>

     5.8 Expense  Reimbursement.  Seller will reimburse to Purchaser,  within 10
days after Purchaser's  presentation of an invoice therefor,  all of Purchaser's
direct  costs  relating  to the  negotiation,  documentation  and closing of the
transactions  contemplated by this Agreement,  including without  limitation the
direct fees and expenses of counsel for Purchaser.

     5.9  Restrictions  on Transfer.  (a) Purchaser  shall not transfer the Note
except by the grant of a security interest to its lender or lenders.  As between
Purchaser  and its  lender or  lenders,  the Note is  transferrable  in the same
manner  and with  the same  effect  as in the  case of a  negotiable  instrument
payable to a  specified  person.  Any lender to which  Holder  grants a security
interest in the Note shall be entitled to exercise  all  remedies to which it is
entitled by contract or by law, including (without limitation)  transferring the
Note into its own name or into the name of any purchaser at any sale  undertaken
in connection with enforcement by such lender of its remedies.

        (b)  Purchaser  shall not  transfer  the  Warrants  or any new  warrants
described in Section 1.4 of this Agreement except to the partners of Purchaser.

     5.10 Expenses of Dispute  Resolution.  If any action at law or in equity is
necessary  to enforce or  interpret  the terms of this  Agreement  or any of the
other  Transaction  Documents,   the  prevailing  party  shall  be  entitled  to
reasonable  attorneys' fees,  costs, and necessary  disbursements in addition to
any other relief to which it may be entitled.



                                       12
<PAGE>



                             SELLER'S SIGNATURE PAGE

     IN WITNESS  WHEREOF,  Seller has signed this Agreement as of the date first
written above.


                                                BLACK WARRIOR WIRELINE CORP.


                                                By:
                                                   William L. Jenkins, President




                                       13
<PAGE>



                           PURCHASER'S SIGNATURE PAGE

IN WITNESS  WHEREOF,  Purchaser  has signed this  Agreement as of the date first
written above.


                                                ST. JAMES CAPITAL PARTNERS, L.P.

                                                By: St. James Capital Corp., its
                                                    General Partner


                                                By:
                                                    Jay Brown, Vice President





THE SECURITIES  REPRESENTED  BY THIS NOTE AND THE COMMON STOCK ISSUABLE  THEREBY
HAVE NOT BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933,  AS AMENDED  (THE
"SECURITIES ACT") OR ANY OTHER APPLICABLE SECURITIES LAWS AND, ACCORDINGLY,  THE
SECURITIES REPRESENTED BY THIS NOTE MAY NOT BE TRANSFERRED EXCEPT PURSUANT TO AN
EFFECTIVE  REGISTRATION  STATEMENT  UNDER,  OR  IN  A  TRANSACTION  EXEMPT  FROM
REGISTRATION  UNDER,  THE  SECURITIES  ACT  AND IN  ACCORDANCE  WITH  ANY  OTHER
APPLICABLE SECURITIES LAWS.

THIS NOTE MAY BE SUBORDINATE TO CERTAIN  INDEBTEDNESS OF BLACK WARRIOR  WIRELINE
CORP. AS AND TO THE EXTENT SET FORTH IN THAT CERTAIN  AGREEMENT FOR PURCHASE AND
SALE DATED AS OF THE DATE HEREOF  BETWEEN BLACK WARRIOR  WIRELINE  CORP. AND ST.
JAMES CAPITAL PARTNERS, L.P.


                          BLACK WARRIOR WIRELINE CORP.
                     $2,900,000 CONVERTIBLE PROMISSORY NOTE


$2,900,000                     Houston, Texas                   October 10, 1997


         BLACK  WARRIOR  WIRELINE  CORP.,  a Delaware  corporation  (hereinafter
called the "Company," which term includes any directly or indirectly  controlled
subsidiaries or successor entities), for value received,  hereby promises to pay
to St. James Capital Partners, L.P., a Delaware limited partnership (hereinafter
called "Holder"),  or its registered  assigns,  the principal sum of Two Million
Nine Hundred Thousand Dollars ($2,900,000), together with interest on the amount
of such principal sum from time to time outstanding,  payable in accordance with
the terms set forth below. It is the intention of the parties that the principal
sums of this Note shall be advanced in multiple  Advances (as defined below). No
Advance shall be made under this Note if an Event of Default (as defined  below)
exists or would exist but for the passage of time. Interest under the Note shall
accrue on amounts actually advanced.

         THE OBLIGATIONS OF THE COMPANY  CONTAINED IN THIS NOTE ARE SECURED BY A
BORROWER SECURITY  AGREEMENT BETWEEN THE COMPANY AND THE HOLDER DATED AS OF JUNE
5,  1997,  AS MAY  BE  AMENDED  OR  MODIFIED  (THE  "SECURITY  AGREEMENT").  THE
OBLIGATIONS  OF THE COMPANY  CONTAINED  IN THIS NOTE ARE FURTHER  SUBJECT TO THE
TERMS OF A SUBSIDIARY SECURITY AGREEMENT BETWEEN THE SUBSIDIARIES OF THE COMPANY
AND THE HOLDER  DATED AS OF JUNE 5, 1997,  AS MAY BE  AMENDED OR  MODIFIED  (THE
"SUBSIDIARY  SECURITY  AGREEMENT"),  AND A  SUBSIDIARY  GUARANTY  BY EACH OF THE
SUBSIDIARIES  OF THE COMPANY IN FAVOR OF THE HOLDER DATED AS OF JUNE 5, 1997, AS
MAY BE AMENDED OR MODIFIED (THE "SUBSIDIARY GUARANTY").


                                    ARTICLE I

                                   DEFINITIONS

         1.1  Definitions.  For all  purposes of this Note,  except as otherwise
expressly  provided  or unless the  context  otherwise  requires:  (a) the terms
defined in this Article  have the meanings  assigned to them in this Article and
include  the  plural  as well as the  singular;  (b) all  accounting  terms  not
otherwise  defined herein have the meanings  assigned to them in accordance with
generally accepted accounting principles as promulgated from time to time by the
Association  of  Independent  Certified  Public  Accountants;  and (c) the words
"herein,"  "hereof" and  "hereunder"  and other words of similar import refer to
this  Note as a whole  and  not to any  particular  Article,  Section  or  other
subdivision.

         "Advance" means a disbursement of proceeds of this Note.

         "Board of  Directors"  means the board of  directors  of the Company as
elected from time to time or any duly authorized committee of that board.

         "Bridge Loan Note" means the $3,000,000 10% Bridge Loan Promissory Note
of the Company to Holder dated as of June 5, 1997, as may be amended,  modified,
substituted or replaced.

         "Business  Day" means each  Monday,  Tuesday,  Wednesday,  Thursday and
Friday which is not a day on which banking  institutions  in Houston,  Texas are
authorized or obligated by law or executive order to be closed.

         "Common  Stock" means  shares of common  stock,  par value  $0.0005 per
share, of the Company.

         "Conversion  Price" means the price per share  determined in accordance
with Articles IV and V (as adjusted in  accordance  with the terms of this Note)
at which shares of Common Stock shall be delivered to Holder upon  conversion of
this Note.

         "Default"  means any event which is, or after notice or passage of time
would be, an Event of Default.

         "Event of Default" has the meaning specified in Section 3.1.


                                       2
<PAGE>

         "Indebtedness"  of any Person  means all  indebtedness  of such Person,
whether  outstanding  on the date of this Note or hereafter  created,  incurred,
assumed  or  guaranteed,  (a) for the  principal  of and  premium,  if any,  and
interest on all debts of the Person whether outstanding on the date of this Note
or  thereafter  created  (i)  for  money  borrowed  by  such  Person  (including
capitalized  lease  obligations),  (ii) for money borrowed by others  (including
capitalized lease obligations) and guaranteed,  directly or indirectly,  by such
Person,  or (iii)  constituting  purchase money  indebtedness,  or  indebtedness
secured by  property  at the time of the  acquisition  of such  property by such
Person, for the payment of which the Person is directly or contingently  liable;
(b) for all  accrued  obligations  of the  Person in  respect  of any  contract,
agreement  or  instrument  imposing  an  obligation  upon the Person to pay over
funds;  (c)  for  all  trade  debt of the  Person;  and  (d) for all  deferrals,
renewals,  extensions  and  refundings  of, and  amendments,  modifications  and
supplements to, any of the indebtedness referred to in (a), (b) or (c) above.

         "Maturity Date", when used with respect to this Note, means October 10,
1999 (or such earlier  date upon which this Note  becomes due and payable  under
Section 3.2).

         "Note"  means  this  $2,900,000  7%  Convertible  Promissory  Note,  as
hereafter amended, modified, substituted or replaced.

         "Original   Convertible  Note"  means  the  $2,000,000  9%  Convertible
Promissory  Note of the Company in favor of the Holder dated as of June 5, 1997,
as may be amended, modified, substituted or replaced.

         "Person" means any individual,  corporation, limited liability company,
partnership,  joint venture,  association,  joint-stock company,  trust, estate,
other  entity,  unincorporated  organization  or  government  or any  agency  or
political subdivision thereof.

         "Subsidiary"  means a corporation  or other entity more than 50% of the
outstanding  voting stock of which,  or more than 50% of the equity  interest in
which, is owned, directly or indirectly,  by the Company or by one or more other
Subsidiaries  of the Company,  or by any  combination  of the Company and one or
more other  Subsidiaries,  provided,  however,  that the following  shall not be
deemed  Subsidiaries  for purposes of this Note:  Black  Warrior  International,
Inc.; Black Warrior  International  (Bermuda),  Ltd.; Black Warrior Oil and Gas,
Inc.;   and   Black   Warrior   Syria,   Ltd.   (collectively,   the   "Inactive
Organizations").  However,  if any Inactive  Organization  begins to conduct any
business (other than activities to "wind down" such organization), such Inactive
Organization  shall be considered a Subsidiary  under this  Agreement  from that
point forward. For purposes of this definition, "voting stock" means stock which
ordinarily has voting power for the election of directors,  whether at all times
or only so long as no senior  class of stock has such voting  power by reason of
any contingency.

                                   ARTICLE II

                                    PAYMENTS

         2.1  Interest.  From the date of this Note through the  Maturity  Date,
interest shall accrue hereunder on the unpaid outstanding  principal sum of this
Note at a rate equal to seven percent (7%) per annum  calculated on the basis of
a 360-day  year.  All past due  amounts of  principal  and  interest  shall bear
interest at fifteen percent (15%) per annum calculated on the basis of a 360-day
year until paid.

         2.2 Payment of  Principal  and  Interest.  Accrued and unpaid  interest
under this Note shall be due and payable on October 10, 1998.  The principal and
all  remaining  accrued  and  unpaid  interest  under this Note shall be due and
payable in full on the Maturity Date. At any time, the Holder may, at its option
and in lieu of cash,  elect to be paid all accrued and unpaid  interest  owed to
Holder by the  Company in the form of Common  Stock,  based on a price per share
equal to the Conversion Price (the "Price Per Share"). The amount of all accrued
and unpaid interest on the Maturity Date shall be divided by the Price Per Share
into a whole number of shares of Common Stock, with the remainder, if any, being
paid in cash.


                                       3
<PAGE>

         2.3  Prepayments.  Subject to Holder's  right to  convert,  at any time
before the Maturity Date, the Company may prepay this Note, in whole or in part,
without  penalty or  discount,  upon five days' prior  written  notice  given to
Holder  pursuant  to Section  7.5.  All  payments  made under this Note shall be
applied  first to accrued  interest,  and the  balance,  if any,  to  principal;
provided, however, that interest shall accrue on any remaining principal balance
and shall be payable at the rate provided above.

         2.4 Manner of Payment.  Cash payments of principal and interest on this
Note will be made by delivery of checks to Holder at its address as set forth in
this Note or wire transfers  pursuant to instructions  from Holder.  If the date
upon which the payment of principal and interest is required to be made pursuant
to this Note occurs other than on a Business Day, then such payment of principal
and interest  shall be made on the next  occurring  Business Day following  said
payment date and shall include  interest  through said next  occurring  Business
Day.

         2.5 Security;  Guaranty. This Note is secured by the collateral defined
in the  Security  Agreement  and by the  collateral  defined  in the  Subsidiary
Security  Agreement.  This  Note and the  obligations  hereunder  and  under the
Security  Agreement and the Subsidiary  Security Agreement are guaranteed by the
Subsidiaries of the Company pursuant to the Subsidiary Guaranty.


                                   ARTICLE III

                                    REMEDIES

         3.1 Events of Default. An "Event of Default" occurs if:

                  (a)  the  Company   defaults  in  the  payment  or   mandatory
         prepayment of the principal or interest on this Note, or in the payment
         or a mandatory  prepayment of the principal or interest on the Original
         Convertible  Note or the  Bridge  Loan  Note,  when such  principal  or
         interest becomes due and payable and such default remains uncured for a
         period of five days; or

                  (b) the Company or any Subsidiary  defaults in the performance
         of any covenant made by the Company,  and such default  remains uncured
         for a period  of 45 days in any of (i)  those  certain  Agreements  for
         Purchase  and Sale dated of even date  herewith and as of June 5, 1997,
         respectively,  by and between  the  Company  and Holder (the  "Purchase
         Agreements"),  (ii) the Common Stock  Purchase  Warrants  issued by the
         Company  to  Holder  as of the  date  hereof  and as of June  5,  1997,
         respectively (the "Warrants");  (iii) that certain  Registration Rights
         Agreement  dated as of June 5, 1997,  as may be  thereafter  amended or
         modified, by and between the Company and the Holder,  pursuant to which
         the Company grants to the Holder certain registration rights in respect
         of the  shares of Common  Stock that may be issued  under the  Original
         Convertible  Note,  this Note and upon  exercise of the  Warrants  (the
         "Registration Rights Agreement");  (iv) the Security Agreement; (v) the
         Original  Convertible Note or the Bridge Loan Note; (vi) the Subsidiary
         Security Agreement;  (vii) the Subsidiary Guaranty; or (viii) this Note
         (other  than a default in the  performance  of a covenant  specifically
         addressed  elsewhere in this Section  3.1);  provided that a default in
         the  performance of any covenant in Sections 8(a),  8(b),  8(c),  8(d),
         8(e),  8(f), 8(h), 8(i), 8(j), 8(k), 8(l), 8(m) or 8(n) of the Security
         Agreement  or  Section  6.1 of this Note  shall be an Event of  Default
         immediately upon occurrence; or

                  (c) any  representation or warranty made by the Company or any
         Subsidiary in the Purchase Agreements,  the Warrants,  the Registration
         Rights Agreement,  the Original Convertible Note, the Bridge Loan Note,
         the  Security  Agreement,   the  Subsidiary  Security  Agreement,   the
         Subsidiary  Guaranty,  or this Note or in any certificate  furnished by
         the Company in  connection  with the  consummation  of the  transaction
         contemplated thereby or hereby, is untrue in any material respect as of
         the date of making  thereof  and such  default  remains  uncured  for a
         period of 45 days; or

                  (d) the Company or any Subsidiary defaults in the payment when
         due (whether by lapse of time, by  declaration,  by call for redemption
         or otherwise) of the  principal of or interest on any  Indebtedness  of
         the Company or such Subsidiary  (other than the Indebtedness  evidenced
         by this  Note)  having  an  aggregate  principal  amount  in  excess of
         $100,000  or  on  any  Indebtedness  of  the  Company  to  any  of  its
         stockholders  and such default remains uncured for a period of 45 days;
         or


                                       4
<PAGE>

                  (e) a court of  competent  jurisdiction  enters a judgment  or
         judgments  against the Company or any  Subsidiary,  or any  property or
         assets of the  Company  or any  Subsidiary,  for the  payment  of money
         aggregating $100,000 or more in excess of applicable insurance coverage
         (other than the judgment  disclosed on Schedule 3.1(e) hereto) and such
         default remains uncured for a period of 45 days; or

                  (f) a court of competent  jurisdiction  enters (i) a decree or
         order for  relief in respect of the  Company  or any  Subsidiary  in an
         involuntary  case or proceeding  under any applicable  federal or state
         bankruptcy,  insolvency,  reorganization or other similar law or (ii) a
         decree or order  adjudging the Company or any  Subsidiary a bankrupt or
         insolvent,   or  approving  as  properly   filed  a  petition   seeking
         reorganization, arrangement, adjustment or composition of or in respect
         of the Company or any Subsidiary under any applicable  federal or state
         law,  or  appointing  a  custodian,  receiver,  liquidator,   assignee,
         trustee,  sequestrator or other similar  official of the Company or any
         Subsidiary or of any substantial part of the property of the Company or
         any Subsidiary or ordering the winding up or liquidation of the affairs
         of the Company or any Subsidiary and any such decree or order of relief
         or any such other decree or order  remains  unstayed for a period of 90
         days from its date of entry; or

                  (g) the Company or any  Subsidiary  commences a voluntary case
         or  proceeding  under  any  applicable  federal  or  state  bankruptcy,
         insolvency,  reorganization  or other  similar law or any other case or
         proceeding to be adjudicated a bankrupt or insolvent, or the Company or
         any   Subsidiary   files  a   petition,   answer  or  consent   seeking
         reorganization or relief under any applicable  federal or state law, or
         the Company or any  Subsidiary  makes an assignment  for the benefit of
         creditors,  or  admits  in  writing  its  inability  to pay  its  debts
         generally as they become due; or

                  (h) any person or group  (within the meaning of Section  13(d)
         of the Securities Exchange Act of 1934) becomes the beneficial owner of
         40% or more of the total  voting  power of the  Company and was not the
         beneficial  owner  of 40% or  more of the  total  voting  power  of the
         Company as of the date hereof;  provided that the  foregoing  shall not
         include  any  person or group who or which  acquires  the  Warrants  or
         shares of the  Company's  Common Stock  issuable  upon  exercise of the
         Warrants or upon  conversion of the Original  Convertible  Note or this
         Note;  and  further  provided  that such  default has not been cured or
         waived  within  ninety (90) days  following  such change of  beneficial
         ownership.

                  (i) the Company or any Subsidiary  (1) merges or  consolidates
         with or  into  any  other  Person  (unless  the  Company  or any of its
         Subsidiaries  is the  surviving or acquiring  party);  (2) dissolves or
         liquidates;  or (3) sells all or any substantial  portion of its assets
         (unless the purchaser is a Subsidiary of the Company).

         3.2 Acceleration of Maturity.  This Note and all accrued interest shall
automatically  become  immediately  due  and  payable  if an  Event  of  Default
described in Sections  3.1(f),  3.1(g) or 3.1(i) occurs and, this Note shall, at
the  option of the Holder in its sole  discretion,  become  immediately  due and
payable if any other Event of Default occurs,  and in every such case the Holder
of the Note may declare  the  principal  and  interest on the Note to be due and
payable immediately.


                                       5
<PAGE>

                                   ARTICLE IV

                               CONVERSION OF NOTE

         Subject to and upon compliance with the provisions of this Article,  at
the option of Holder, all or any part of this Note may be converted at any time,
at the  principal  amount  hereof  together  with  accrued  and unpaid  interest
thereon,  into  fully  paid  and  nonassessable  shares  (calculated  as to each
conversion  to the nearest  1/100 of a share) of Common  Stock.  The  Conversion
Price shall initially be $4.6327 per share. Notwithstanding anything else to the
contrary set forth herein,  the Holder shall have the right to convert this Note
pursuant to the terms set forth  herein at any time,  including  the 30 Business
Days following (i) the Maturity Date or (ii) any prepayment  pursuant to Section
2.3 hereof.  If Holder  elects to convert this Note after a prepayment  has been
made  pursuant to Section  2.3,  then Holder shall return all or such portion of
the funds paid to Holder as to which Holder has elected to convert.


                                    ARTICLE V

                         ADJUSTMENT OF CONVERSION PRICE

         5.1 Anti-Dilution Provisions.  The Conversion Price shall be subject to
adjustment  from time to time as hereinafter  provided.  Upon each adjustment of
the Conversion  Price,  the holder of this Note shall  thereafter be entitled to
purchase, at the Conversion Price resulting from such adjustment,  the number of
shares of Common Stock  obtained by multiplying  the Conversion  Price in effect
immediately  prior  to such  adjustment  by the  number  of  shares  purchasable
pursuant  hereto  immediately  prior to such adjustment and dividing the product
thereof by the Conversion Price resulting from such adjustment.

         5.2      Adjustment of Conversion Price Upon Issuance of Common Stock.

                  5.2.1 (A) If and  whenever  after the date  hereof the Company
         shall  issue or sell any  Common  Stock for no  consideration  or for a
         consideration per share less than the Conversion Price then, forthwith,
         upon such issue or sale, the Conversion Price shall be reduced (but not
         increased, except as otherwise specifically provided in Section 5.2.2),
         to the price  (calculated to the nearest one-ten  thousandth of a cent)
         determined  by  dividing  (x) an  amount  equal  to the  sum of (i) the
         aggregate  number of shares of  Common  Stock  outstanding  immediately
         prior to such issue or sale multiplied by the then existing  Conversion
         Price plus (ii) the  consideration  received by the  Company  upon such
         issue or sale by (y) the  aggregate  number of  shares of Common  Stock
         outstanding immediately after such issue or sale.

                           (B)  Notwithstanding  the  provisions of this Section
         5.2, no adjustment  shall be made in the Conversion  Price in the event
         that the Company issues, in one or more transactions,  (i) Common Stock
         upon exercise of any options issued to officers, directors or employees
         of the  Company  pursuant  to a stock  option  plan  or an  employment,
         severance or  consulting  agreement  as now or hereafter in effect,  in
         each  case  approved  by the  Board  of  Directors  (provided  that the
         aggregate  number  of shares of  Common  Stock  which may be  issuable,
         including  options  issued  prior to the date  hereof,  under  all such
         employee  plans and  agreements  shall at no time  exceed the number of
         such shares of Common Stock  outstanding  on the date hereof on a fully
         diluted  basis that are issuable  under  currently  effective  employee
         plans and agreements);  (ii) Common Stock upon exercise of the Original
         Convertible  Note or this Note or any other warrant issued  pursuant to
         the terms of the Purchase Agreements;  (iii) Common Stock upon exercise
         of any  stock  purchase  warrant  or  option  (other  than the  options
         referred  to  in  clause  (i)  above)  or  other  convertible  security
         outstanding  on the  date  hereof;  or  (iv)  Common  Stock  issued  as
         consideration in acquisitions. In addition, for purposes of calculating
         any adjustment of the Conversion Price as provided in this Section 5.2,
         all of the  shares  of Common  Stock  issuable  pursuant  to any of the
         foregoing shall be assumed to be outstanding prior to the event causing
         such adjustment to be made.

                  5.2.2 For purposes of this Section 5.2, the following shall be
applicable:


                                       6
<PAGE>


                  (A)  Issuance of Rights or Options.  In case at any time after
         the date hereof the Company shall in any manner grant (whether directly
         or by assumption in a merger or otherwise)  any rights to subscribe for
         or to purchase, or any options for the purchase of, Common Stock or any
         stock or securities  convertible  into or exchangeable for Common Stock
         (such  convertible  or  exchangeable  stock or securities  being herein
         called  "Convertible  Securities")  (other  than  warrants,  options or
         convertible  securities  issued  as  consideration  for or  assumed  in
         conjunction with an acquisition or to officers, directors, or employees
         of the acquired entity in conjunction  therewith),  whether or not such
         rights  or  options  or the  right  to  convert  or  exchange  any such
         Convertible Securities are immediately  exercisable,  and the price per
         share for which shares of Common  Stock are issuable  upon the exercise
         of such  rights or  options  or upon  conversion  or  exchange  of such
         Convertible Securities (determined by dividing (i) the total amount, if
         any,  received or  receivable by the Company as  consideration  for the
         granting of such rights or options,  plus the minimum  aggregate amount
         of additional  consideration,  if any,  payable to the Company upon the
         exercise of such rights or options, or plus, in the case of such rights
         or options that relate to Convertible Securities, the minimum aggregate
         amount of additional  consideration,  if any, payable upon the issue or
         sale of such Convertible Securities and upon the conversion or exchange
         thereof,  by (ii) the total  maximum  number of shares of Common  Stock
         issuable  upon the  exercise  of such  rights  or  options  or upon the
         conversion or exchange of all such Convertible Securities issuable upon
         the  exercise  of such  rights  or  options)  shall  be less  than  the
         Conversion  Price in effect as of the date of  granting  such rights or
         options,  then the total  maximum  number  of  shares  of Common  Stock
         issuable upon the exercise of such rights or options or upon conversion
         or  exchange  of all  such  Convertible  Securities  issuable  upon the
         exercise of such rights or options shall be deemed to be outstanding as
         of the date of the  granting of such rights or options and to have been
         issued  for such price per  share,  with the  effect on the  Conversion
         Price specified in Section 5.2.1 hereof.  Except as provided in Section
         5.2.2 hereof,  no further  adjustment of the Conversion  Price shall be
         made  upon  the  actual  issuance  of  such  Common  Stock  or of  such
         Convertible  Securities upon exercise of such rights or options or upon
         the actual issuance of such Common Stock upon conversion or exchange of
         such Convertible Securities.

                  (B)  Change  in  Option  Price or  Conversion  Rate.  Upon the
         happening of any of the following events, namely, if the purchase price
         provided for in any right or option referred to in Section 5.2.2 above,
         the additional  consideration,  if any,  payable upon the conversion or
         exchange of any Convertible  Securities referred to in Section 5.2.2(A)
         hereof, or the rate at which any Convertible  Securities referred to in
         Section  5.2.2(A)  hereof,  are convertible  into or  exchangeable  for
         Common Stock shall change  (other than under or by reason of provisions
         designed to protect  against  dilution),  the Conversion  Price then in
         effect hereunder shall forthwith be readjusted (increased or decreased,
         as the case may be) to the  Conversion  Price  that  would have been in
         effect at such time had such rights,  options or Convertible Securities
         still outstanding provided for such changed purchase price,  additional
         consideration  or  conversion  rate,  as the case  may be,  at the time
         initially granted, issued or sold. On the expiration of any such option
         or right referred to in Section 5.2.2(A) hereof,  or on the termination
         of  any  such  right  to  convert  or  exchange  any  such  Convertible
         Securities referred to in Section 5.2.2(A) hereof, the Conversion Price
         then in effect  hereunder shall  forthwith be readjusted  (increased or
         decreased,  as the case may be) to the Conversion Price that would have
         been in effect at the time of such  expiration or termination  had such
         right,  option or  Convertible  Securities,  to the extent  outstanding
         immediately  prior  to  such  expiration  or  termination,  never  been
         granted, issued or sold, and the Common Stock issuable thereunder shall
         no longer be deemed to be  outstanding.  If the purchase price provided
         for in  Section  5.2.2(A)  hereof or the rate at which any  Convertible
         Securities  referred to in Section 5.2.2(A) hereof are convertible into
         or exchangeable  for Common Stock shall be reduced at any time under or
         by reason of  provisions  with  respect  thereto  designed  to  protect
         against dilution, then in case of the delivery of Common Stock upon the
         exercise of any such right or option or upon  conversion or exchange of
         any such  Convertible  Securities,  the Conversion Price then in effect
         hereunder shall, if not already adjusted, forthwith be adjusted to such
         amount as would have  obtained  had such right,  option or  Convertible
         Securities   never  been  issued  as  to  such  Common  Stock  and  had
         adjustments  been made upon the issuance of the Common Stock  delivered
         as aforesaid, but only if as a result of such adjustment the Conversion
         Price then in effect hereunder is thereby reduced.


                                       7
<PAGE>


                  (C)  Consideration for Stock. In case at any time Common Stock
         or Convertible Securities or any rights or options to purchase any such
         Common  Stock or  Convertible  Securities  shall be  issued or sold for
         cash,  the  consideration  therefor  shall be deemed  to be the  amount
         received by the Company therefor. In case at any time any Common Stock,
         Convertible  Securities  or any rights or options to purchase  any such
         Common  Stock or  Convertible  Securities  shall be  issued or sold for
         consideration  other than cash, the amount of the  consideration  other
         than cash  received by the Company shall be deemed to be the fair value
         of such  consideration,  as determined  reasonably and in good faith by
         the Board of Directors  of the Company.  In case at any time any Common
         Stock,  Convertible Securities or any rights or options to purchase any
         Common Stock or  Convertible  Securities  shall be issued in connection
         with any merger or  consolidation in which the Company is the surviving
         corporation,  the amount of  consideration  received  therefor shall be
         deemed to be the fair value, as determined reasonably and in good faith
         by the Board of Directors of the Company, of such portion of the assets
         and business of the nonsurviving corporation as such Board of Directors
         may  determine to be  attributable  to such Common  Stock,  Convertible
         Securities,  rights or  options as the case may be. In case at any time
         any  rights or  options  to  purchase  any  shares  of Common  Stock or
         Convertible  Securities shall be issued in connection with the issuance
         and sale of other securities of the Company, together consisting of one
         integral  transaction  in which no  consideration  is allocated to such
         rights or  options by the  parties,  such  rights or  options  shall be
         deemed to have been issued without consideration.

                  (D) Record Date.  In the case the Company  shall take a record
         of the holders of its Common  Stock for the purpose of  entitling  them
         (i) to receive a dividend or other distribution payable in Common Stock
         or Convertible Securities,  or (ii) to subscribe for or purchase Common
         Stock or Convertible Securities,  then such record date shall be deemed
         to be  the  date  of the  issuance  or  sale  of the  Common  Stock  or
         Convertible  Securities  deemed to have been issued or sold as a result
         of the  declaration  of such  dividend  or the  making  of  such  other
         distribution  or the date of the granting of such right of subscription
         or purchase, as the case may be.

                  (E)  Treasury  Shares.  The  number of shares of Common  Stock
         outstanding  at any given time shall not include  shares owned directly
         by the  Company in  treasury,  and the  disposition  of any such shares
         shall be considered an issuance or sale of Common Stock for the purpose
         of this Section 5.2.

         5.3 Stock  Dividends.  In case the Company  shall declare a dividend or
make any other  distribution  upon any shares of the Company,  payable in Common
Stock or Convertible Securities,  any Common Stock or Convertible Securities, as
the case may be, issuable in payment of such dividend or  distribution  shall be
deemed to have been issued or sold without consideration.

         5.4 Stock  Splits and  Reverse  Splits.  In the event that the  Company
shall at any time  subdivide  its  outstanding  shares  of Common  Stock  into a
greater number of shares,  the Conversion Price in effect  immediately  prior to
such subdivision shall be proportionately  reduced and the number of Shares into
which this Note may be converted  immediately prior to such subdivision shall be
proportionately  increased,  and  conversely,  in the event that the outstanding
shares of Common  Stock shall at any time be combined  into a smaller  number of
shares,  the Conversion  Price in effect  immediately  prior to such combination
shall be proportionately increased and the number of Shares into which this Note
may be converted  immediately prior to such combination shall be proportionately
reduced.  Except as provided in this Section 5.4 no adjustment in the Conversion
Price and no change in the number of Shares  shall be made under this  Article V
as a result of or by reason of any such subdivision or combination.


                                       8
<PAGE>


         5.5 Reorganizations  and Asset Sales. If any capital  reorganization or
reclassification  of the capital  stock of the  Company,  or any  consolidation,
merger or share  exchange  of the  Company  with  another  Person,  or the sale,
transfer  or other  disposition  of all or  substantially  all of its  assets to
another  Person  shall be  effected in such a way that  holders of Common  Stock
shall be entitled to receive capital stock, securities or assets with respect to
or in exchange for their shares, then the following provisions shall apply:

                  5.5.1 As a condition of such reorganization, reclassification,
consolidation,  merger,  share  exchange,  sale,  transfer or other  disposition
(except as  otherwise  provided  below in Section  5.5.3),  lawful and  adequate
provisions  shall be made whereby the holder of this Note shall  thereafter have
the right to purchase  and receive  upon the terms and  conditions  specified in
this Note and in lieu of the shares immediately  theretofore receivable upon the
exercise  of the  rights  represented  hereby,  such  shares of  capital  stock,
securities  or assets as may be issued or payable with respect to or in exchange
for a number of  outstanding  shares of such Common Stock equal to the number of
shares   immediately   theretofore  so  receivable   had  such   reorganization,
reclassification, consolidation, merger, share exchange or sale not taken place,
and in any such  case  appropriate  provision  reasonably  satisfactory  to such
holder shall be made with respect to the rights and  interests of such holder to
the end that the provisions hereof (including,  without  limitation,  provisions
for adjustments of the Conversion  Price and of the number of shares  receivable
upon the exercise)  shall  thereafter be applicable,  as nearly as possible,  in
relation  to any  shares of  capital  stock,  securities  or  assets  thereafter
deliverable upon the exercise of this Note.

                  5.5.2  In  the  event  of  a   merger,   share   exchange   or
consolidation  of the Company with or into another Person as a result of which a
number of  shares of common  stock or its  equivalent  of the  successor  Person
greater  or  lesser  than the  number of  shares  of  Common  Stock  outstanding
immediately  prior to such merger,  share exchange or consolidation are issuable
to holders of Common  Stock,  then the  Conversion  Price in effect  immediately
prior to such merger,  share exchange or consolidation  shall be adjusted in the
same manner as though there were a subdivision or combination of the outstanding
shares of Common Stock.

                  5.5.3 The  Company  shall not effect  any such  consolidation,
merger,  share exchange,  sale, transfer or other disposition unless prior to or
simultaneously with the consummation thereof the successor Person (if other than
the Company) resulting from such consolidation,  share exchange or merger or the
Person  purchasing  or  otherwise  acquiring  such assets  shall have assumed by
written instrument  executed and mailed or delivered to the Holder hereof at the
last address of such Holder appearing on the books of the Company the obligation
to deliver to such Holder such shares of capital stock, securities or assets as,
in  accordance  with the  foregoing  provisions,  such Holder may be entitled to
receive,  and all other  liabilities and  obligations of the Company  hereunder.
Upon written  request by the Holder hereof,  such Successor  Person will issue a
new Note revised to reflect the  modifications in this Note effected pursuant to
this Section 5.5.

                  5.5.4 If a purchase,  tender or exchange  offer is made to and
accepted  by the  holders  of 50% or more of the  outstanding  shares  of Common
Stock, the Company shall not effect any consolidation, merger, share exchange or
sale, transfer or other disposition of all or substantially all of the Company's
assets  with the Person  having  made such offer or with any  affiliate  of such
Person,  unless prior to the consummation of such consolidation,  merger,  share
exchange,  sale, transfer or other disposition the holder hereof shall have been
given a reasonable  opportunity  to then elect to receive upon the conversion of
this Note either the capital  stock,  securities  or assets then  issuable  with
respect to the Common Stock or the capital stock,  securities or assets,  or the
equivalent,  issued to previous  holders of the Common Stock in accordance  with
such offer.


                                       9
<PAGE>


         5.6  Adjustment  for Asset  Distribution.  If the  Company  declares  a
dividend or other distribution  payable to all holders of shares of Common Stock
in  evidences  of  indebtedness  of the  Company or other  assets of the Company
(including,  cash (other than  regular cash  dividends  declared by the Board of
Directors),  capital stock (other than Common Stock,  Convertible  Securities or
options or rights thereto) or other  property),  the Conversion  Price in effect
immediately  prior to such  declaration  of such dividend or other  distribution
shall  be  reduced  by an  amount  equal  to the  amount  of  such  dividend  or
distribution  payable per share of Common Stock,  in the case of a cash dividend
or distribution, or by the fair value of such dividend or distribution per share
of  Common  Stock  (as  reasonably  determined  in good  faith  by the  Board of
Directors of the Company),  in the case of any other  dividend or  distribution.
Such reduction  shall be made whenever any such dividend or distribution is made
and shall be  effective as of the date as of which a record is taken for purpose
of such dividend or  distribution  or, if a record is not taken,  the date as of
which  holders  of  record  of  Common  Stock   entitled  to  such  dividend  or
distribution are determined.

         5.7 De Minimis  Adjustments.  No  adjustment in the number of shares of
Common Stock  purchasable  hereunder  shall be required  unless such  adjustment
would  require an increase  or  decrease  of at least one share of Common  Stock
purchasable  upon  conversion of the Note and no  adjustment  in the  Conversion
Price shall be  required  unless such  adjustment  would  require an increase or
decrease of at least $.01 in the Conversion Price;  provided,  however, that any
adjustments  which by reason of this  Section  5.7 are not  required  to be made
shall be carried  forward and taken into account in any  subsequent  adjustment.
All  calculations  shall  be made to the  nearest  full  share  or  nearest  one
hundredth of a dollar, as applicable.

         5.8 Notice of Adjustment.  Whenever the Conversion  Price or the number
of Shares  issuable upon the  conversion of the Note shall be adjusted as herein
provided,  or the rights of the holder  hereof  shall  change by reason of other
events specified herein, the Company shall compute the adjusted Conversion Price
and the adjusted number of Shares in accordance  with the provisions  hereof and
shall prepare an Officer's  Certificate  setting  forth the adjusted  Conversion
Price and the adjusted  number of Shares  issuable  upon the  conversion of this
Note or specifying the other shares of stock, securities or assets receivable as
a result of such change in rights,  and showing in  reasonable  detail the facts
and  calculations  upon which such  adjustments or other changes are based.  The
Company shall cause to be mailed to the Holder  hereof copies of such  Officer's
Certificate  together with a notice  stating that the  Conversion  Price and the
number of Shares purchasable upon conversion of this Note have been adjusted and
setting forth the adjusted  Conversion  Price and the adjusted  number of Shares
purchasable upon conversion of this Note.

         5.9 Notifications to Holders. In case at any time the Company proposes:

                           (i) to declare  any  dividend  upon its Common  Stock
                  payable in capital stock or make any special dividend or other
                  distribution (other than cash dividends) to the holders of its
                  Common Stock;

                           (ii) to offer for subscription pro rata to all of the
                  holders of its Common Stock any  additional  shares of capital
                  stock of any class or other rights;

                           (iii)  to  effect  any  capital  reorganization,   or
                  reclassification  of the  capital  stock  of the  Company,  or
                  consolidation,  merger or share  exchange of the Company  with
                  another Person, or sale,  transfer or other disposition of all
                  or substantially all of its assets; or

                           (iv)   to   effect   a   voluntary   or   involuntary
                  dissolution, liquidation or winding up of the Company,


                                      10
<PAGE>


then, in any one or more of such cases, the Company shall give the holder hereof
(a) at least 10 days (but not more  than 90 days)  prior  written  notice of the
date on which the books of the Company  shall  close or a record  shall be taken
for such dividend, distribution or subscription rights or for determining rights
to vote in  respect  of any  such  issuance,  reorganization,  reclassification,
consolidation, merger, share exchange, sale, transfer, disposition, dissolution,
liquidation  or  winding  up,  and  (b)  in  the  case  of  any  such  issuance,
reorganization,  reclassification,  consolidation, merger, share exchange, sale,
transfer, disposition,  dissolution, liquidation or winding up, at least 10 days
(but not more than 90 days) prior written notice of the date when the same shall
take place.  Such notice in accordance with the foregoing  clause (a) shall also
specify, in the case of any such dividend,  distribution or subscription rights,
the date on which the holders of Common  Stock shall be  entitled  thereto,  and
such notice in accordance  with the foregoing  clause (b) shall also specify the
date on which the holders of Common  Stock  shall be entitled to exchange  their
Common Stock,  as the case may be, for securities or other property  deliverable
upon  such  reorganization,   reclassification,   consolidation,  merger,  share
exchange, sale, transfer, disposition,  dissolution,  liquidation or winding up,
as the case may be.

         5.10 Company to Prevent  Dilution.  If any event or condition occurs as
to which other  provisions  of this  Article are not strictly  applicable  or if
strictly  applicable would not fairly protect the exercise or purchase rights of
this  Note  evidenced  hereby  in  accordance  with  the  essential  intent  and
principles of such provisions, or that might materially and adversely affect the
exercise or purchase  rights of the holder  hereof under any  provisions of this
Note,  then the Company shall make such  adjustments in the  application of such
provisions,  in accordance with such essential  intent and principles,  so as to
protect such  exercise and purchase  rights as  aforesaid,  and any  adjustments
necessary  with  respect  to the  Conversion  Price  and the  number  of  shares
purchasable  hereunder so as to preserve the rights of the holder hereunder.  In
no event shall any such  adjustment have the effect of increasing the Conversion
Price as otherwise  determined pursuant to this Article except in the event of a
combination of shares of the type  contemplated in Section 5.4 hereof,  and then
in no event to an amount greater than the Conversion Price as adjusted  pursuant
to Section 5.4 hereof.

                                   ARTICLE VI

                                    COVENANTS

         The  Company  covenants  and  agrees  that,  so long  as  this  Note is
outstanding:

         6.1 Payment of Principal  and Accrued  Interest.  The Company will duly
and punctually pay or cause to be paid the principal sum of this Note,  together
with interest  accrued  thereon from the date hereof to the date of payment,  in
accordance with the terms hereof.

         6.2  Corporate  Existence.  The  Company  will,  and  will  cause  each
Subsidiary to, do or cause to be done all things  necessary to preserve and keep
in full force and effect its corporate existence, rights (charter and statutory)
and franchises; provided, however, that the Company or a Subsidiary shall not be
required  to  preserve  any such  right  or  franchise  if it  shall  reasonably
determine that the preservation thereof is no longer desirable in the conduct of
its business.

         6.3  Taxes;  Claims;  etc.  The  Company  will,  and  will  cause  each
Subsidiary  to,  promptly pay and discharge all lawful taxes,  assessments,  and
governmental charges or levies imposed upon it or upon its income or profits, or
upon any of its  properties,  real,  personal,  or mixed,  before the same shall
become in  default,  as well as all  lawful  claims for  labor,  materials,  and
supplies or otherwise which, if unpaid,  might become a lien or charge upon such
properties  or any part  thereof,  and which lien or charge will have a material
adverse effect on the business of the Company;  provided,  however, that neither
the Company nor any Subsidiary  shall be required to pay or cause to be paid any
such tax, assessment, charge, levy, or claim prior to institution of foreclosure
proceedings  if the validity  thereof  shall  concurrently  be contested in good
faith by  appropriate  proceedings  and if the  Company  shall have  established
reserves  deemed by the Company  adequate with respect to such tax,  assessment,
charge, levy, or claim.


                                       11
<PAGE>


         6.4 Maintenance of Existence and Properties. The Company will, and will
cause each Subsidiary to, keep its material  properties in good repair,  working
order,  and  condition,  ordinary wear and tear  excepted,  so that the business
carried on may be properly  conducted  at all times in  accordance  with prudent
business management.

         6.5 SEC Reports.  The Company will deliver to the Holder within 20 days
after it files them with the SEC, copies of its annual and quarterly reports and
of the information,  documents, and other reports (or copies of such portions of
any of the foregoing as the SEC may by rules and  regulations  prescribe)  which
the Company is required or elects to file with the SEC pursuant to Section 13 or
15(d) of the  Securities  Exchange Act of 1934.  The Company will timely  comply
with  its  reporting  and  filing   obligations  under  the  applicable  federal
securities laws.

         6.6 Notice of Defaults.  The Company will promptly notify the Holder in
writing of the  occurrence of (i) any Event of Default under this Note, and (ii)
any event of default (or if any event of default  would  result upon any payment
with  respect to this Note) with  respect to any  Indebtedness  as such event of
default is defined  therein or in the instrument  under which it is outstanding,
permitting holders to accelerate the maturity of such Indebtedness.

         6.7  Compliance  with Laws.  The Company will promptly  comply with all
laws,  ordinances and governmental rules and regulations to which it is subject,
the violation of which would materially and adversely affect the Company.

         6.8  Amendments  to Charter.  The Company  will not amend or modify its
charter without the prior written consent of Holder.

         6.9 Mergers and  Acquisitions.  Without the consent of the Holder,  the
Company or any Subsidiary will not dissolve,  liquidate,  consolidate,  merge or
enter  into a share  exchange  with or sell  or  transfer  all or a  substantial
portion of its assets to any Person.


                                       12
<PAGE>


         6.10  Election of  Director.  The Company  will use its best efforts to
cause the  election,  at all  shareholders'  meetings  called for the purpose of
electing  directors  of the Company or in any other  action  taken to elect such
directors,  of one person  designated  by Holder as a nominee  (the  "Designated
Director"). If a vacant directorship arises due to the resignation or disability
of the Designated  Director,  or if the  Designated  Director is removed for any
reason,  the  Company  will use its best  efforts  to cause the  appointment  of
another person designated by Holder to replace the Designated Director.


                                   ARTICLE VII

                                  MISCELLANEOUS

         7.1 Consent to  Amendments.  This Note may be amended,  and the Company
may take  any  action  herein  prohibited,  or omit to  perform  any act  herein
required  to be  performed  by it, if and only if the Company  shall  obtain the
written consent to such amendment, action or omission to act from the holders of
a majority of the aggregate principal amount of this Note.

         7.2  Benefits  of Note;  No  Impairment  of  Rights of Holder of Senior
Indebtedness.  Nothing  in this  Note,  express  or  implied,  shall give to any
Person, other than the Company,  Holder, and their successors any benefit or any
legal or equitable right, remedy or claim under or in respect of this Note.

         7.3 Successors  and Assigns.  All covenants and agreements in this Note
contained  by or on behalf of the Company and the Holder shall bind and inure to
the  benefit of the  respective  successors  and  assigns of the Company and the
Holder.

         7.4  Restrictions  on Transfer.  Holder  shall not  transfer  this Note
except  (by the grant of a  security  interest)  to its  lender or  lenders.  As
between Holder and its lender or lenders,  this Note is transferable in the same
manner  and with  the same  effect  as in the  case of a  negotiable  instrument
payable to a  specified  person.  Any lender to which  Holder  grants a security
interest in this Note shall be entitled to exercise  all remedies to which it is
entitled by contract or by law, including (without limitation) transferring this
Note into its own name or into the name of any purchaser at any sale  undertaken
in connection with enforcement by such lender of its remedies.

         7.5  Notice;  Address of Parties.  Except as  otherwise  provided,  all
communications to the Company or Holder provided for herein or with reference to
this Note  shall be deemed to have  been  sufficiently  given or served  for all
purposes on the third  business day after being sent as certified or  registered
mail,  postage  and  charges  prepaid,  to the  following  addresses:  if to the
Company:  Black  Warrior  Wireline  Corp.,  3748  Highway  #45 North,  Columbus,
Mississippi  39701, or at any other address designated by the Company in writing
to Holder; if to Holder:  St. James Capital Partners,  L.P., _ St. James Capital
Corp., 1980 Post Oak Boulevard,  Suite 2030, Houston, Texas 77056, Attn: John L.
Thompson,  or at any  other  address  designated  by Holder  to the  Company  in
writing.

         7.6  Separability  Clause.  In case any provision in this Note shall be
invalid,  illegal or unenforceable in any jurisdiction,  the validity,  legality
and enforceability of the remaining provisions in such jurisdiction shall not in
any way be affected or impaired thereby;  provided,  however,  such construction
does not destroy the essence of the bargain provided for hereunder.

         7.7  Governing  Law.  This Note shall be governed by, and  construed in
accordance  with, the internal laws of the State of Delaware  (without regard to
principles of choice of law).


                                       13
<PAGE>


         7.8  Usury.  It is the  intention  of the  parties  hereto  to  conform
strictly to the  applicable  laws of the State of Delaware and the United States
of America,  and judicial or  administrative  interpretations  or determinations
thereof  regarding the contracting  for,  charging and receiving of interest for
the use,  forbearance,  and detention of money (hereinafter  referred to in this
Section 7.9 as "Applicable  Law").  The Holder shall have no right to claim,  to
charge or to receive any interest in excess of the maximum rate of interest,  if
any,  permitted  to be  charged  on  that  portion  of the  amount  representing
principal  which is outstanding  and unpaid from time to time by Applicable Law.
Determination  of the rate of interest  for the purpose of  determining  whether
this  Note is  usurious  under  Applicable  Law  shall  be  made by  amortizing,
prorating,  allocating  and  spreading  in equal parts  during the period of the
actual  time of this Note,  all  interest  or other sums  deemed to be  interest
(hereinafter  referred  to in  this  Section  7.9 as  "Interest")  at  any  time
contracted  for,  charged or received from the Company in  connection  with this
Note. Any Interest  contracted for, charged or received in excess of the maximum
rate allowed by Applicable Law shall be deemed a result of a mathematical  error
and a mistake.  If this Note is paid in part prior to the end of the full stated
term of this Note and the Interest  received for the actual  period of existence
of this Note exceeds the maximum rate allowed by  Applicable  Law,  Holder shall
credit the amount of the excess  against any amount owing under this Note or, if
this Note has been paid in full,  or in the event  that it has been  accelerated
prior to maturity, Holder shall refund to the Company the amount of such excess,
and shall not be subject to any of the penalties  provided by Applicable Law for
contracting  for,  charging or receiving  Interest in excess of the maximum rate
allowed by Applicable Law. Any such excess which is unpaid shall be canceled.


<PAGE>


         IN WITNESS  WHEREOF,  the Company has caused this instrument to be duly
executed on the date first above written.



                                        BLACK WARRIOR WIRELINE CORP.



                                        By:
                                              William L. Jenkins, President




THE SECURITIES REPRESENTED BY THIS WARRANT AND THE COMMON STOCK ISSUABLE THEREBY
HAVE NOT BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933,  AS AMENDED  (THE
"SECURITIES ACT"), OR ANY OTHER APPLICABLE SECURITIES LAW AND, ACCORDINGLY,  THE
SECURITIES REPRESENTED BY THIS WARRANT MAY NOT BE RESOLD,  PLEDGED, OR OTHERWISE
TRANSFERRED, EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER, OR IN
A  TRANSACTION  EXEMPT  FROM  REGISTRATION  UNDER,  THE  SECURITIES  ACT  AND IN
ACCORDANCE WITH ANY OTHER APPLICABLE SECURITIES LAWS.


                                    WARRANTS

                           to Purchase Common Stock of

                          BLACK WARRIOR WIRELINE, CORP.

                          Expiring on October 10, 2002


     This Warrant to Purchase  Common Stock (the  "Warrant")  certifies that for
value received, St. James Capital Partners, L.P., a Delaware limited partnership
(the "Holder"),  or its assigns,  is entitled to subscribe for and purchase from
the Company (as  hereinafter  defined),  in whole or in part,  725,000 shares of
duly authorized,  validly issued,  fully paid and nonassessable shares of Common
Stock (as  hereinafter  defined) at an initial  Exercise  Price (as  hereinafter
defined),  subject, however, to the provisions and upon the terms and conditions
hereinafter  set forth.  The number of Warrants (as  hereinafter  defined),  the
number of shares of Common Stock purchasable  hereunder,  and the Exercise Price
therefor are subject to adjustment as  hereinafter  set forth.  This Warrant and
all rights hereunder shall expire at 5:00 p.m., Houston,  Texas time, on October
10, 2002.

     As used  herein,  the  following  terms shall have the  meanings  set forth
below:

     "Company" shall mean Black Warrior Wireline Corp., a Delaware  corporation,
and shall also include any  successor  thereto  with respect to the  obligations
hereunder, by merger, consolidation or otherwise.


<PAGE>

     "Common Stock" shall mean and include the Company's Common Stock, par value
$.0005 per share,  authorized on the date of the original  issue of this Warrant
and shall  also  include  (i) in case of any  reorganization,  reclassification,
consolidation,  merger, share exchange or sale, transfer or other disposition of
assets of the character referred to in Section 3.5 hereof, the stock, securities
provided  for in such  Section 3.5, and (ii) any other shares of common stock of
the Company into which such shares of Common Stock may be converted.

     "Exercise Price" shall mean the initial purchase price of $4.6327 per share
of Common Stock payable upon exercise of the Warrants.  The Exercise Price shall
be adjusted from time to time pursuant to the provisions hereof.

     "Market Price" for any day, when used with reference to Common Stock, shall
mean the price of said Common Stock determined as follows: (i) the last reported
sale price for the Common Stock on such day on the principal securities exchange
on which the Common  Stock is listed or  admitted  to trading or if no such sale
takes  place on such date,  the  average  of the  closing  bid and asked  prices
thereof as officially  reported,  or, if not so listed or admitted to trading on
any  securities  exchange,  the last  sale  price  for the  Common  Stock on the
National  Association of Securities  Dealers  National Market System or SmallCap
Market on such date,  or, if there shall have been no trading on such date or if
the Common Stock shall not be listed on such system,  the average of the closing
bid and asked  prices in the  over-the-counter  market as  furnished by any NASD
member firm selected from time to time by the Company for such purpose,  in each
such case, unless otherwise provided herein,  averaged over a period of ten (10)
consecutive  Trading Days prior to the date as of which the  determination is to
be made;  or (ii) if the Common Stock shall not be listed or admitted to trading
or the closing bid and asked prices are unable to be furnished by an NASD member
firm, as provided in clause (i) above, the fair market value of the Common Stock
as determined in good faith by the Board of Directors of the Company.

     "Note" shall mean the 7% Convertible  Promissory Note of the Company issued
to St.  James  Capital  Partners,  L.P.  as of the date  hereof in the  original
principal  amount of  $2,900,000,  as may be amended,  modified,  substituted or
replaced.

     "Outstanding," when used with reference to Common Stock, shall mean (except
as otherwise  expressly  provided  herein) at any date as of which the number of
shares  thereof is to be determined,  all issued shares of Common Stock,  except
shares then owned or held by or for the account of the Company.

     "Person" means any  individual,  corporation,  partnership,  joint venture,
association,   joint  stock  company,  trust,   unincorporated  organization  or
government or any agency or political subdivision thereof.

     "Securities Act" means the Securities Act of 1933, as amended.

     "Trading Days" shall mean any days during the course of which the principal
securities  exchange on which the Common  Stock is listed or admitted to trading
is open for the exchange of securities.

     "Warrant" shall mean the right upon exercise to purchase one Warrant Share.

     "Warrant  Shares"  shall  mean the  shares of  Common  Stock  purchased  or
purchasable by the holder hereof upon the exercise of the Warrants.


                                       2
<PAGE>

                                    ARTICLE I

                              EXERCISE OF WARRANTS

     I.1 Method of Exercise.

        (A) Subject to Section 1.1 (B), the Warrants  represented  hereby may be
exercised by the holder  hereof,  in whole or in part, at any time and from time
to time on or after the date hereof  until 5:00 p.m.,  Houston,  Texas time,  on
October 10, 2002. To exercise the  Warrants,  the holder hereof shall deliver to
the  Company,  at the Warrant  Office  designated  in Section 2.1 hereof,  (i) a
written  notice in the form of the  Subscription  Notice  attached as an exhibit
hereto,  stating therein the election of such holder to exercise the Warrants in
the manner  provided in the  Subscription  Notice;  (ii)  payment in full of the
Exercise  Price (A) in cash or by bank check for all  Warrant  Shares  purchased
hereunder,  or (B) through a  "cashless"  or  "net-issue"  exercise of each such
Warrant ("Cashless Exercise"); the holder shall exchange each Warrant subject to
a Cashless  Exercise for that number of Warrant Shares determined by multiplying
the number of Warrant Shares issuable hereunder by a fraction,  the numerator of
which shall be the difference  between (x) the Market Price and (y) the Exercise
Price for each such Warrant,  and the  denominator  of which shall be the Market
Price;  the  Subscription  Notice shall set forth the calculation upon which the
Cashless Exercise is based, or (C) a combination of (A) and (B) above; and (iii)
this  Warrant.  The  Warrants  shall be  deemed to be  exercised  on the date of
receipt by the Company of the  Subscription  Notice,  accompanied by payment for
the Warrant Shares and surrender of this Warrant, as aforesaid, and such date is
referred  to herein as the  "Exercise  Date".  Upon such  exercise,  the Company
shall,  as promptly as  practicable  and in any event  within ten (10)  business
days,  issue and deliver to such holder a certificate  or  certificates  for the
full number of the Warrant Shares purchased by such holder hereunder, and shall,
unless the Warrants  have  expired,  deliver to the holder  hereof a new Warrant
representing the number of Warrants, if any, that shall not have been exercised,
in all other respects identical to this Warrant. As permitted by applicable law,
the Person in whose  name the  certificates  for  Common  Stock are to be issued
shall be deemed to have  become a holder of record of such  Common  Stock on the
Exercise Date and shall be entitled to all of the benefits of such holder on the
Exercise Date, including without limitation,  the right to receive dividends and
other  distributions  for which the record  date falls on or after the  Exercise
Date and the right to exercise voting rights.

        (B) In the event that the Market  Price for the  Company's  Common Stock
exceeds  $_____  per share for  twenty  (20)  consecutive  trading  days and the
trading volume in the Company's Common Stock during each of such twenty days was
at least __________  shares per day, the Company shall have the right to require
exercise of the  Warrant.  If the Holder has not  exercised  the  Warrants on or
before the thirtieth  calendar day after the twentieth  consecutive  trading day
referenced in the preceding  sentence,  the Company shall be entitled to redeem,
effective on the thirty-first day after the twentieth  consecutive  trading day,
all of the  Warrants  which have not been  exercised  at such date at a price of
$_____ per Warrant.

     I.2  Expenses  and Taxes.  The  Company  shall pay all  expenses  and taxes
(including,  without  limitation,  all  documentary,  stamp,  transfer  or other
transactional  taxes) other than income taxes  attributable to the  preparation,
issuance or delivery of the Warrants and of the shares of Common Stock  issuable
upon exercise of the Warrants.

     I.3  Reservation of Shares.  The Company shall reserve at all times so long
as the Warrants  remain  outstanding,  free from preemptive  rights,  out of its
treasury  Common Stock or its authorized but unissued shares of Common Stock, or
both,  solely for the  purpose of  effecting  the  exercise of the  Warrants,  a
sufficient  number of shares of Common  Stock to provide for the exercise of the
Warrants.


                                       3
<PAGE>

     I.4 Valid  Issuance.  All shares of Common  Stock  that may be issued  upon
exercise of the Warrants will, upon issuance by the Company, be duly and validly
issued,  fully paid and nonassessable and free from all taxes, liens and charges
with respect to the issuance thereof and, without limiting the generality of the
foregoing,  the  Company  shall take no action or fail to take any action  which
will cause a contrary result  (including,  without  limitation,  any action that
would  cause the  Exercise  Price to be less than the par value,  if any, of the
Common Stock).

     I.5 Purchase Agreement.  The Warrants represented hereby are part of a duly
authorized  issuance  and sale of warrants to purchase  Common  Stock issued and
sold  pursuant to that  certain  Agreement  of Purchase and Sale dated as of the
date hereof (the  "Agreement"),  between the Company and the Holder.  The holder
hereof  shall be  entitled  to  registration  under the  Securities  Act and any
applicable  state  securities  or blue sky laws to the  extent  set forth in the
Registration Rights Agreement,  as hereafter amended. The terms of the Agreement
are hereby  incorporated  herein for all purposes and shall be considered a part
of this Warrant as if they had been fully set forth herein.  Notwithstanding the
previous  sentence,  in the event of any conflict  between the provisions of the
Agreement and of this Warrant, the provisions of this Warrant shall control.

     I.6  Acknowledgment  of Rights. At the time of the exercise of the Warrants
in accordance  with the terms hereof and upon the written  request of the holder
hereof,  the Company will  acknowledge in writing its  continuing  obligation to
afford to such holder any rights (including,  without  limitation,  any right to
registration  of the Warrant  Shares) to which such holder shall  continue to be
entitled after such exercise in accordance  with the provisions of this Warrant;
provided,  however,  that if the  holder  hereof  shall  fail to make  any  such
request,  such failure shall not affect the continuing obligation of the Company
to afford to such holder any such rights.

     I.7 No  Fractional  Shares.  The  Company  shall not be  required  to issue
fractional shares of Common Stock on the exercise of this Warrant.  If more than
one Warrant shall be presented for exercise at the same time by the same holder,
the number of full shares of Common  Stock  which  shall be  issuable  upon such
exercise shall be computed on the basis of the aggregate  number of whole shares
of Common Stock  purchasable  on exercise of the Warrants so  presented.  If any
fraction of a share of Common Stock  would,  except for the  provisions  of this
Section 1.7, be issuable on the exercise of this Warrant,  the Company shall pay
an amount in cash  calculated by it to be equal to the Market Price of one share
of  Common  Stock  at the  time of such  exercise  multiplied  by such  fraction
computed to the nearest whole cent.


                                   ARTICLE II

                                    TRANSFER

     II.1  Warrant  Office.  The  Company  shall  maintain an office for certain
purposes specified herein (the "Warrant  Office"),  which office shall initially
be the Company's offices at 3748 Highway #45 North, Columbus,  Mississippi 39701
and may  subsequently  be such other  office of the  Company or of any  transfer
agent of the Common Stock in the  continental  United States as to which written
notice has  previously  been  given to the  holder  hereof.  The  Company  shall
maintain,  at the  Warrant  Office,  a register  for the  Warrants  in which the
Company  shall  record  the name and  address  of the  Person in whose name this
Warrant  has been  issued,  as well as the name and  address  of each  permitted
assignee of the rights of the registered owner hereof.

     II.2  Ownership of  Warrants.  The Company may deem and treat the Person in
whose  name  the  Warrants  are  registered  as  the  holder  and  owner  hereof
(notwithstanding  any  notations of  ownership or writing  hereon made by anyone
other than the Company) for all purposes and shall not be affected by any notice
to the contrary until  presentation of this Warrant for registration of transfer
as provided in this  Article II.  Notwithstanding  the  foregoing,  the Warrants
represented hereby, if properly assigned in compliance with this Article II, may
be exercised by an assignee for the purchase of Warrant  Shares without having a
new Warrant issued.

     II.3  Restrictions on Transfer of Warrants.  The Company agrees to maintain
at the Warrant Office books for the  registration  and transfer of the Warrants.
Subject to the restrictions on transfer of the Warrants in this Section 2.3, the
Company,  from time to time, shall register the transfer of the Warrants in such
books upon surrender of this Warrant at the Warrant Office properly  endorsed or
accompanied by appropriate  instruments of transfer and written instructions for
transfer satisfactory to the Company. Upon any such transfer and upon payment by
the holder or its  transferee of any  applicable  transfer  taxes,  new Warrants
shall be issued  to the  transferee  and the  transferor  (as  their  respective
interests  may appear) and the  surrendered  Warrants  shall be cancelled by the
Company.  The Company shall pay all taxes (other than securities  transfer taxes
or income taxes) and all other expenses and charges  payable in connection  with
the transfer of the Warrants pursuant to this Section 2.3.


                                       4
<PAGE>

        II.3.1  Restrictions in General.  The holder of the Warrants agrees that
it will not transfer the Warrants  unless  registration  of such Warrant  Shares
under the Securities Act and any  applicable  state  securities or blue sky laws
has become  effective  or the holder has  provided  to the Company an opinion of
counsel  acceptable  to the  Company  that such  registration  is not  required.
Notwithstanding  the preceding  sentence,  however,  St. James Capital Partners,
L.P.,  as the  initial  Holder of the  Warrants,  may  transfer  Warrants to its
partners of record on September 30, 1997 at any time and may at any time grant a
security  interest  in the  Warrants  to its  lender  or  lenders.  Prior to any
transfer (other than the grant of a security  interest) as provided herein,  the
transferor shall provide written notice to the Company and an opinion of counsel
to the effect that the proposed transfer is exempt from  registration  under all
applicable securities laws, all in form and substance reasonably satisfactory to
the  Company.  Any  lender or  lenders  to which the  Holder  grants a  security
interest in the Warrants  shall be entitled to exercise all remedies to which it
is entitled by contract or by law, including (without  limitation)  transferring
the  Warrants  into its own name or into the name of any  purchaser  at any sale
undertaken in connection  with  enforcement by such lender of its remedies.  The
partners of St. James Capital  Partners,  L.P. shall not be entitled to transfer
Warrants  prior to completion of a registered  public  offering of the Company's
Common Stock.

     II.4  Compliance  with  Securities  Laws.  Subject  to  the  terms  of  the
Registration  Rights  Agreement  between the Holder and the Company  dated as of
June 5, 1997, as amended or modified (the "Registration Rights Agreement"),  and
notwithstanding  any other  provisions  contained in this Warrant except Section
2.3.1, the holder hereof understands and agrees that the following  restrictions
and limitations  shall be applicable to all Warrant Shares and to all resales or
other transfers thereof pursuant to the Securities Act:

        II.4.1 The holder  hereof  agrees that the Warrant  Shares  shall not be
sold or otherwise transferred unless the Warrant Shares are registered under the
Securities  Act and applicable  state  securities or blue sky laws or are exempt
therefrom.

        II.4.2 A legend in  substantially  the following  form will be placed on
the certificate(s) evidencing the Warrant Shares:

                           "THE SECURITIES  REPRESENTED BY THIS CERTIFICATE HAVE
                  NOT BEEN  REGISTERED  UNDER  THE  SECURITIES  ACT OF 1933,  AS
                  AMENDED  (THE  "SECURITIES  ACT"),  OR  ANY  OTHER  APPLICABLE
                  SECURITIES LAW AND, ACCORDINGLY, THE SECURITIES REPRESENTED BY
                  THIS  CERTIFICATE  MAY NOT BE RESOLD,  PLEDGED,  OR  OTHERWISE
                  TRANSFERRED,  EXCEPT  PURSUANT  TO AN  EFFECTIVE  REGISTRATION
                  STATEMENT UNDER, OR IN A TRANSACTION  EXEMPT FROM REGISTRATION
                  UNDER,  THE  SECURITIES  ACT AND IN ACCORDANCE  WITH ANY OTHER
                  APPLICABLE SECURITIES LAWS."

        II.4.3 Stop  transfer  instructions  will be imposed with respect to the
Warrant Shares so as to restrict  resale or other transfer  thereof,  subject to
this Section 2.4.

                                   ARTICLE III

                                  ANTI-DILUTION

     III.1  Anti-Dilution  Provisions.  The  Exercise  Price shall be subject to
adjustment  from time to time as hereinafter  provided.  Upon each adjustment of
the Exercise Price,  the holder of this Warrant shall  thereafter be entitled to
purchase,  at the Exercise Price resulting from such  adjustment,  the number of
shares of Common Stock  obtained by  multiplying  the  Exercise  Price in effect
immediately  prior  to such  adjustment  by the  number  of  shares  purchasable
pursuant  hereto  immediately  prior to such adjustment and dividing the product
thereof by the Exercise Price resulting from such adjustment.

     III.2 Adjustment of Exercise Price Upon Issuance of Common Stock.

        III.2.1 (A) If and  whenever  after the date  hereof the  Company  shall
issue or sell any Common Stock for no consideration  or for a consideration  per
share less than the Exercise Price, then, forthwith upon such issue or sale, the
Exercise  Price  shall  be  reduced  (but not  increased,  except  as  otherwise
specifically  provided in Section 3.2.2(C) hereof),  to the price (calculated to
the nearest one-ten  thousandth of a cent)  determined by dividing (x) an amount
equal  to the  sum of (i)  the  aggregate  number  of  shares  of  Common  Stock
outstanding  immediately prior to such issue or sale multiplied by then existing
Exercise  Price plus (ii) the  consideration  received by the Company  upon such
issue or sale by (y) the aggregate number of shares of Common Stock  outstanding
immediately after such issue or sale.


                                       5
<PAGE>

              (B)  Notwithstanding  the  provisions  of  this  Section  3.2,  no
adjustment  shall be made in the  Exercise  Price in the event that the  Company
issues, in one or more transactions,  (i) Common Stock or convertible securities
upon exercise of any options  issued to officers,  directors or employees of the
Company  pursuant  to a  stock  option  plan  or  an  employment,  severance  or
consulting agreement as now or hereafter in effect, in each case approved by the
Board of Directors (provided that the aggregate number of shares of Common Stock
which may be issuable,  including options issued prior to the date hereof, under
all such  employee  plans and  agreements  shall at no time exceed the number of
such shares of Common Stock that are issuable under currently effective employee
plans and  agreements);  (ii) Common Stock upon  exercise of the Warrants or any
other warrant issued pursuant to the terms of the Agreement or otherwise  issued
to the Holder; (iii) Common Stock upon exercise of any stock purchase warrant or
option  (other  than the  options  referred  to in  clause  (i)  above) or other
convertible  security  outstanding  on the date  hereof;  (iv) Common Stock upon
conversion  of  the  Note;  or (v)  Common  Stock  issued  as  consideration  in
acquisitions  (including warrants,  options or convertible  securities issued as
consideration  for an acquisition or to officers,  directors or employees of the
acquired  entity  in  conjunction  therewith).  In  addition,  for  purposes  of
calculating  any  adjustment  of the Exercise  Price as provided in this Section
3.2, all of the shares of Common Stock issuable pursuant to any of the foregoing
shall be assumed to be outstanding prior to the event causing such adjustment to
be made.

        III.2.2  For  purposes  of this  Section  3.2,  the  following  Sections
3.2.2(A) to 3.2.2(E) inclusive, shall be applicable:

          (A) Issuance of Rights or Options.  In case at any time after the date
     hereof  the  Company  shall in any manner  grant  (whether  directly  or by
     assumption  in a merger or  otherwise)  any rights to  subscribe  for or to
     purchase,  or any options for the purchase of, Common Stock or any stock or
     securities   convertible  into  or  exchangeable  for  Common  Stock  (such
     convertible  or  exchangeable  stock  or  securities  being  herein  called
     "Convertible  Securities")  (other than  warrants,  options or  convertible
     securities  issued as  consideration  for or assumed in conjunction with an
     acquisition or to officers,  directors or employees of the acquired  entity
     in  conjunction  therewith),  whether or not such  rights or options or the
     right  to  convert  or  exchange  any  such   Convertible   Securities  are
     immediately exercisable, and the price per share for which shares of Common
     Stock are  issuable  upon the  exercise  of such  rights or options or upon
     conversion  or  exchange  of such  Convertible  Securities  (determined  by
     dividing  (i) the total  amount,  if any,  received  or  receivable  by the
     Company as consideration  for the granting of such rights or options,  plus
     the minimum aggregate amount of additional  consideration,  if any, payable
     to the Company upon the exercise of such rights or options, or plus, in the
     case of such rights or options that relate to Convertible  Securities,  the
     minimum aggregate amount of additional consideration,  if any, payable upon
     the issue or sale of such Convertible Securities and upon the conversion or
     exchange  thereof,  by (ii) the  total  maximum  number of shares of Common
     Stock  issuable  upon the  exercise  of such  rights or options or upon the
     conversion or exchange of all such Convertible Securities issuable upon the
     exercise of such rights or options)  shall be less than the Exercise  Price
     in effect as of the date of granting such rights or options, then the total
     maximum number of shares of Common Stock issuable upon the exercise of such
     rights or options or upon  conversion  or exchange of all such  Convertible
     Securities  issuable  upon the exercise of such rights or options  shall be
     deemed to be  outstanding  as of the date of the granting of such rights or
     options and to have been  issued for such price per share,  with the effect
     on the Exercise Price specified in Section 3.2.1 hereof. Except as provided
     in Section 3.2.2 hereof, no further  adjustment of the Exercise Price shall
     be  made  upon  the  actual  issuance  of  such  Common  Stock  or of  such
     Convertible  Securities upon exercise of such rights or options or upon the
     actual  issuance of such Common Stock upon  conversion  or exchange of such
     Convertible Securities.

          (B) Change in Option Price or Conversion  Rate.  Upon the happening of
     any of the following events,  namely, if the purchase price provided for in
     any  right  or  option  referred  to  in  Section  3.2.2,   the  additional
     consideration,  if any,  payable  upon the  conversion  or  exchange of any
     Convertible  Securities  referred to in Section 3.2.2, or the rate at which
     any Convertible  Securities  referred to in Section 3.2.2,  are convertible
     into or exchangeable  for Common Stock shall change (other than under or by
     reason of provisions  designed to protect against  dilution),  the Exercise
     Price then in effect hereunder shall forthwith be readjusted  (increased or
     decreased,  as the case may be) to the Exercise  Price that would have been
     in effect at such time had such rights,  options or Convertible  Securities
     still  outstanding  provided for such changed  purchase  price,  additional
     consideration or conversion rate, as the case may be, at the time initially
     granted,  issued or sold.  On the  expiration  of any such  option or right
     referred to in Section  3.2.2,  or on the  termination of any such right to
     convert or exchange any such Convertible  Securities referred to in Section
     3.2.2,  the  Exercise  Price then in effect  hereunder  shall  forthwith be
     readjusted  (increased  or  decreased,  as the case may be) to the Exercise
     Price  that  would  have been in effect at the time of such  expiration  or
     termination had such right, option or Convertible Securities, to the extent
     outstanding immediately prior to such expiration or termination, never been
     granted,  issued or sold, and the Common Stock issuable thereunder shall no
     longer be deemed to be  outstanding.  If the purchase price provided for in
     Section 3.2.2 or the rate at which any Convertible  Securities  referred to
     in Section 3.2.2 are  convertible is reduced at any time under or by reason
     of provisions  with respect thereto  designed to protect against  dilution,
     then in case of the  delivery of Common Stock upon the exercise of any such
     right or option or upon  conversion  or  exchange  of any such  Convertible
     Securities,  the  Exercise  Price then in effect  hereunder  shall,  if not
     already  adjusted,  forthwith  be  adjusted  to such  amount as would  have
     obtained had such right, option or Convertible Securities never been issued
     as to such Common Stock and had adjustments  been made upon the issuance of
     the Common Stock  delivered as  aforesaid,  but only if as a result of such
     adjustment the Exercise Price then in effect hereunder is thereby reduced.


                                       6
<PAGE>

          (C)  Consideration  for  Stock.  In case at any time  Common  Stock or
     Convertible Securities or any rights or options to purchase any such Common
     Stock or  Convertible  Securities  shall be issued  or sold for  cash,  the
     consideration  therefor  shall be deemed to be the amount  received  by the
     Company  therefor.  In case  at any  time  any  Common  Stock,  Convertible
     Securities  or any rights or options to purchase  any such Common  Stock or
     Convertible Securities shall be issued or sold for consideration other than
     cash,  the  amount of the  consideration  other than cash  received  by the
     Company  shall be deemed  to be the fair  value of such  consideration,  as
     determined  reasonably  and in good faith by the Board of  Directors of the
     Company.  In case at any time any Common Stock,  Convertible  Securities or
     any  rights  or  options  to  purchase  any  Common  Stock  or  Convertible
     Securities  shall be issued in connection with any merger or  consolidation
     in  which  the  Company  is  the  surviving  corporation,   the  amount  of
     consideration  received  therefor shall be deemed to be the fair value,  as
     determined  reasonably  and in good faith by the Board of  Directors of the
     Company,  of such  portion of the assets and  business of the  nonsurviving
     corporation as such Board of Directors may determine to be  attributable to
     such Common Stock,  Convertible  Securities,  rights or options as the case
     may be. In case at any time any rights or options to purchase any shares of
     Common Stock or Convertible  Securities  shall be issued in connection with
     the  issuance  and  sale  of  other  securities  of the  Company,  together
     consisting  of one  integral  transaction  in  which  no  consideration  is
     allocated to such rights or options by the parties,  such rights or options
     shall be deemed to have been issued with consideration.

          (D) Record  Date.  In the case the Company  shall take a record of the
     holders  of its  Common  Stock for the  purpose  of  entitling  them (i) to
     receive  a  dividend  or other  distribution  payable  in  Common  Stock or
     Convertible  Securities,  or (ii) to subscribe for or purchase Common Stock
     or Convertible Securities,  then such record date shall be deemed to be the
     date of the issuance or sale of the Common Stock or Convertible  Securities
     deemed to have been issued or sold as a result of the  declaration  of such
     dividend  or the  making  of such  other  distribution  or the  date of the
     granting of such right of subscription or purchase, as the case may be.

          (E) Treasury Shares.  The number of shares of Common Stock outstanding
     at any given time shall not include shares owned directly by the Company in
     treasury,  and the  disposition  of any such shares shall be  considered an
     issuance or sale of Common Stock for the purpose of this Section 3.2.

     III.3 Stock Dividends. In case the Company shall declare a dividend or make
any other  distribution upon any shares of the Company,  payable in Common Stock
or Convertible Securities,  any Common Stock or Convertible  Securities,  as the
case may be,  issuable  in payment of such  dividend  or  distribution  shall be
deemed to have been issued or sold without consideration.

     III.4 Stock Splits and Reverse Splits.  In the event that the Company shall
at any time  subdivide  its  outstanding  shares of Common  Stock into a greater
number  of  shares,  the  Exercise  Price in  effect  immediately  prior to such
subdivision  shall be  proportionately  reduced and the number of Warrant Shares
purchasable pursuant to this Warrant immediately prior to such subdivision shall
be proportionately  increased, and conversely, in the event that the outstanding
shares of Common  Stock shall at any time be combined  into a smaller  number of
shares, the Exercise Price in effect immediately prior to such combination shall
be  proportionately  increased and the number of Warrant Shares purchasable upon
the  exercise of this Warrant  immediately  prior to such  combination  shall be
proportionately  reduced.  Except as provided in this Section 3.4, no adjustment
in the Exercise Price and no change in the number of Warrant Shares  purchasable
shall be made under this  Article  III as a result of, or by reason of, any such
subdivision or combination.


                                       7
<PAGE>

     III.5  Reorganizations  and Asset Sales. If any capital  reorganization  or
reclassification  of the capital  stock of the  Company,  or any  consolidation,
merger or share  exchange  of the  Company  with  another  Person,  or the sale,
transfer  or other  disposition  of all or  substantially  all of its  assets to
another  Person shall be effected in such a way that a holder of Common Stock of
the Company  shall be entitled to receive  capital  stock,  securities or assets
with respect to or in exchange for their shares,  then the following  provisions
shall apply:

        III.5.1  As  a  condition  of  such  reorganization,   reclassification,
consolidation,  merger,  share  exchange,  sale,  transfer or other  disposition
(except as otherwise  provided  below in this Section 3.5),  lawful and adequate
provisions  shall be made whereby the holder of Warrants shall  thereafter  have
the right to purchase  and receive  upon the terms and  conditions  specified in
this  Warrant  and  in  lieu  of  the  Warrant  Shares  immediately  theretofore
receivable upon the exercise of the rights  represented  hereby,  such shares of
capital stock,  securities or assets as may be issued or payable with respect to
or in exchange for a number of outstanding  shares of such Common Stock equal to
the number of Warrant  Shares  immediately  theretofore  so receivable  had such
reorganization, reclassification,  consolidation, merger, share exchange or sale
not  taken  place,  and  in  any  such  case  appropriate  provision  reasonably
satisfactory  to such  holder  shall be made  with  respect  to the  rights  and
interests  of such  holder  to the end that the  provisions  hereof  (including,
without limitation,  provisions for adjustments of the Exercise Price and of the
number of Warrant  Shares  receivable  upon the  exercise)  shall  thereafter be
applicable,  as nearly as possible,  in relation to any shares of capital stock,
securities or assets thereafter deliverable upon the exercise of Warrants.

        III.5.2 In the event of a merger, share exchange or consolidation of the
Company with or into  another  Person as a result of which a number of shares of
Common Stock or its  equivalent of the successor  Person  greater or lesser than
the  number  of shares of Common  Stock  outstanding  immediately  prior to such
merger, share exchange or consolidation are issuable to holders of Common Stock,
then the  Exercise  Price in  effect  immediately  prior to such  merger,  share
exchange or  consolidation  shall be adjusted in the same manner as though there
were a subdivision or combination of the outstanding shares of Common Stock.

        III.5.3 The  Company  shall not effect any such  consolidation,  merger,
share  exchange,  sale,  transfer  or  other  disposition  unless  prior  to  or
simultaneously with the consummation thereof the successor Person (if other than
the Company) resulting from such consolidation,  share exchange or merger of the
Person  purchasing  or  otherwise  acquiring  such assets  shall have assumed by
written instrument  executed and mailed or delivered to the holder hereof at the
last address of such holder appearing on the books of the Company the obligation
to deliver to such holder such shares of capital stock, securities or assets as,
in  accordance  with the  foregoing  provisions,  such holder may be entitled to
receive,  and all other  liabilities and  obligations of the Company  hereunder.
Upon written  request by the holder hereof,  such successor  Person will issue a
new  warrant  revised to reflect  the  modifications  in this  Warrant  effected
pursuant to this Section 3.5.

        III.5.4 If a purchase,  tender or exchange offer is made to and accepted
by the holders of 50% or more of the  outstanding  shares of Common  Stock,  the
Company  shall not effect any  consolidation,  merger,  share  exchange or sale,
transfer  or other  disposition  of all or  substantially  all of the  Company's
assets  with the Person  having  made such offer or with any  affiliate  of such
Person,  unless prior to the consummation of such consolidation,  merger,  share
exchange,  sale, transfer or other disposition the holder hereof shall have been
given a reasonable opportunity to then elect to receive upon the exercise of the
Warrants  either the capital  stock,  securities  or assets then  issuable  with
respect to the Common Stock or the capital stock,  securities or assets,  or the
equivalent,  issued to previous  holders of the Common Stock in accordance  with
such offer.

     III.6 Adjustment for Asset Distribution. If the Company declares a dividend
or other  distribution  payable  to all  holders  of shares  of Common  Stock in
evidences  of  indebtedness  of the  Company  or  other  assets  of the  Company
(including,  cash (other than  regular cash  dividends  declared by the Board of
Directors),  capital stock (other than Common Stock,  Convertible  Securities or
options or rights  thereto) or other  property),  the  Exercise  Price in effect
immediately  prior to such  declaration  of such dividend or other  distribution
shall  be  reduced  by an  amount  equal  to the  amount  of  such  dividend  or
distribution  payable per share of Common Stock,  in the case of a cash dividend
or distribution, or by the fair value of such dividend or distribution per share
of  Common  Stock  (as  reasonably  determined  in good  faith  by the  Board of
Directors of the Company),  in the case of any other  dividend or  distribution.
Such reduction  shall be made whenever any such dividend or distribution is made
and  shall be  effective  as of the date as of which a record  is taken  for the
purpose of such dividend or distribution  or, if a record is not taken, the date
as of which  holders of record of Common  Stock  entitled  to such  dividend  or
distribution are determined.

     III.7 De  Minimis  Adjustments.  No  adjustment  in the number of shares of
Common Stock  purchasable  hereunder  shall be required  unless such  adjustment
would  require an increase  or  decrease  of at least one share of Common  Stock
purchasable  upon an exercise of each Warrant and no  adjustment in the Exercise
Price shall be  required  unless such  adjustment  would  require an increase or
decrease of at least $0.01 in the Exercise Price;  provided,  however,  that any
adjustments  which by reason of this  Section  3.7 are not  required  to be made
shall be carried  forward and taken into account in any  subsequent  adjustment.
All  calculations  shall  be made to the  nearest  full  share  or  nearest  one
hundredth of a dollar, as applicable.


                                       8
<PAGE>

     III.8 Notice of  Adjustment.  Whenever the Exercise  Price or the number of
Warrant  Shares  issuable upon the exercise of the Warrants shall be adjusted as
herein  provided,  or the rights of the holder  hereof shall change by reason of
other events specified  herein,  the Company shall compute the adjusted Exercise
Price  and the  adjusted  number  of  Warrant  Shares  in  accordance  with  the
provisions hereof and shall prepare an Officer's  Certificate  setting forth the
adjusted  Exercise Price and the adjusted number of Warrant Shares issuable upon
the exercise of the Warrants or specifying the other shares of stock, securities
or assets  receivable  as a result of such  change in  rights,  and  showing  in
reasonable  detail the facts and  calculations  upon which such  adjustments  or
other  changes  are based.  The  Company  shall cause to be mailed to the holder
hereof copies of such Officer's  Certificate together with a notice stating that
the Exercise Price and the number of Warrant Shares purchasable upon exercise of
the Warrants have been adjusted and setting  forth the adjusted  Exercise  Price
and the adjusted number of Warrant Shares  purchasable  upon the exercise of the
Warrants.

     III.9 Notifications to Holders. In case at any time the Company proposes:

          (i) to declare any dividend  upon its Common Stock  payable in capital
     stock or make any special dividend or other  distribution  (other than cash
     dividends) to the holders of its Common Stock;

          (ii) to offer for  subscription  pro rata to all of the holders of its
     Common Stock any  additional  shares of capital stock of any class or other
     rights;

          (iii) to effect any capital reorganization, or reclassification of the
     capital stock of the Company, or consolidation, merger or share exchange of
     the Company with another Person, or sale,  transfer or other disposition of
     all or substantially all of its assets; or

          (iv) to effect a voluntary or involuntary dissolution,  liquidation or
     winding up of the Company,

then, in any one or more of such cases, the Company shall give the holder hereof
(a) at least 10 days' (but not more than 90 days') prior  written  notice of the
date on which the books of the Company  shall  close or a record  shall be taken
for such dividend, distribution or subscription rights or for determining rights
to  vote  in  respect  of  such  issuance,   reorganization,   reclassification,
consolidation, merger, share exchange, sale, transfer, disposition, dissolution,
liquidation  or  winding  up,  and  (b)  in  the  case  of  any  such  issuance,
reorganization,  reclassification,  consolidation, merger, share exchange, sale,
transfer, disposition, dissolution, liquidation or winding up, at least 10 days'
(but not more  than 90  days')  prior  written  notice of the date when the same
shall take place.  Such notice in accordance with the foregoing clause (a) shall
also specify,  in the case of any such dividend,  distribution  or  subscription
rights, the date on which the holders of Common Stock shall be entitled thereto,
and such notice in accordance  with the foregoing  clause (b) shall also specify
the date on which the  holders of Common  Stock  shall be  entitled  to exchange
their  Common  Stock,  as the  case may be,  for  securities  or other  property
deliverable upon such reorganization,  reclassification,  consolidation, merger,
share exchange, sale, transfer, disposition, dissolution, liquidation or winding
up, as the case may be.

     III.10 Company to Prevent Dilution.  If any event or condition occurs as to
which other  provisions  of this Article III are not strictly  applicable  or if
strictly  applicable would not fairly protect the exercise or purchase rights of
the  Warrants  evidenced  hereby in  accordance  with the  essential  intent and
principles of such provisions, or that might materially and adversely affect the
exercise or purchase  rights of the holder  hereof under any  provisions of this
Warrant, then the Company shall make such adjustments in the application of such
provisions,  in accordance with such essential  intent and principles,  so as to
protect such  exercise and purchase  rights as  aforesaid,  and any  adjustments
necessary  with respect to the Exercise  Price and the number of Warrant  Shares
purchasable  hereunder so as to preserve the rights of the holder hereunder.  In
no event shall any such  adjustment  have the effect of increasing  the Exercise
Price as otherwise  determined  pursuant to this Article III except in the event
of a combination of shares of the type  contemplated in Section 3.4 hereof,  and
then in no event  to an  amount  greater  than the  Exercise  Price as  adjusted
pursuant to Section 3.4 hereof.


                                       9
<PAGE>

                                   ARTICLE IV

                                  MISCELLANEOUS

     IV.1 Entire Agreement. This Warrant, together with the Agreement,  contains
the entire  agreement  between the holder hereof and the Company with respect to
the Warrant Shares purchasable upon exercise hereof and the related transactions
and supersedes all prior arrangements or understandings with respect thereto.

     IV.2  Governing  Law.  This warrant  shall be governed by and  construed in
accordance with the laws of the State of Delaware.

     IV.3 Waiver and  Amendment.  Any term or  provision  of this Warrant may be
waived at any time by the party which is entitled  to the  benefits  thereof and
any term or provision of this Warrant may be amended or supplemented at any time
by agreement of the holder hereof and the Company, except that any waiver of any
term or condition, or any amendment or supplementation, of this Warrant shall be
in  writing.  A waiver of any breach or  failure to enforce  any of the terms or
conditions of this Warrant shall not in any way effect, limit or waive a party's
rights hereunder at any time to enforce strict compliance  thereafter with every
term or condition of this Warrant.

     IV.4  Illegality.  In the  event  that  any one or  more of the  provisions
contained  in this  Warrant  shall  be  determined  to be  invalid,  illegal  or
unenforceable  in any  respect  for  any  reason,  the  validity,  legality  and
enforceability  of any such  provision  in any other  respect and the  remaining
provisions  of this Warrant shall not, at the election of the party for whom the
benefit of the provision exists, be in any way impaired.

     IV.5  Copy of  Warrant.  A copy of this  Warrant  shall be filed  among the
records of the Company.

     IV.6 Notice. Any notice or other document required or permitted to be given
or delivered to the holder  hereof shall be in writing and delivered at, or sent
by certified or registered mail to such holder at, the last address shown on the
books of the Company  maintained at the Warrant Office for the  registration  of
this Warrant or at any more recent address of which the holder hereof shall have
notified  the  Company in  writing.  Any notice or other  document  required  or
permitted to be given or  delivered  to the  Company,  other than such notice or
documents required to be delivered to the Warrant Office, shall be delivered at,
or sent by certified or  registered  mail to, the offices of the Company at 3748
Highway #45 North, Columbus,  Mississippi 39701 or such other address within the
continental United States of America as shall have been furnished by the Company
to the holder of this Warrant.

     IV.7  Limitation  of  Liability;  Not  Stockholders.  No  provision of this
Warrant  shall be construed as  conferring  upon the holder  hereof the right to
vote,  consent,  receive  dividends  or receive  notices  (other  than as herein
expressly  provided) in respect of meetings of stockholders  for the election of
directors of the Company or any other matter  whatsoever as a stockholder of the
Company. No provision hereof, in the absence of affirmative action by the holder
hereof to purchase shares of Common Stock, and no mere enumeration herein of the
rights or privileges of the holder  hereof,  shall give rise to any liability of
such  holder  for the  purchase  price of any  shares  of  Common  Stock or as a
stockholder of the Company, whether such liability is asserted by the Company or
by creditors of the Company.


                                       10
<PAGE>

     IV.8 Exchange, Loss, Destruction, etc. of Warrant. Upon receipt of evidence
satisfactory  to the Company of the loss,  theft,  mutilation or  destruction of
this  Warrant,  and in the case of any such  loss,  theft  or  destruction  upon
delivery of a bond of indemnity  or such other  security in such form and amount
as shall be  reasonably  satisfactory  to the  Company,  or in the event of such
mutilation  upon surrender and  cancellation  of this Warrant,  the Company will
make and  deliver a new  warrant of like  tenor,  in lieu of such lost,  stolen,
destroyed or mutilated Warrant.  Any warrant issued under the provisions of this
Section 4.8 in lieu of any Warrant alleged to be lost,  destroyed or stolen,  or
in lieu of any  mutilated  Warrant,  shall  constitute  an original  contractual
obligation on the part of the Company.  This Warrant shall be promptly  canceled
by the Company  upon the  surrender  hereof in  connection  with any exchange or
replacement.  The Company  shall pay all taxes (other than  securities  transfer
taxes or income taxes) and all other expenses and charges  payable in connection
with the  preparation,  execution  and  delivery  of  warrants  pursuant to this
Section 4.8.

     IV.9  Registration  Rights.  The Warrant  Shares  shall be entitled to such
registration  rights  under  the  Securities  Act  and  under  applicable  state
securities laws as are specified in the  Registration  Rights  Agreement and the
Agreement.

     IV.10  Headings.  The Article and Section and other headings herein are for
convenience  only and are not a part of this  Warrant  and shall not  affect the
interpretation thereof.



                                       11
<PAGE>




         IN WITNESS WHEREOF, the Company has caused this Warrant to be signed in
its name.

Dated: October 10, 1997

                                                BLACK WARRIOR WIRELINE CORP.



                                                By:
                                                   -----------------------------
                                                Name:
                                                     ---------------------------
                                                Title:
                                                      --------------------------


                                       12
<PAGE>



                               SUBSCRIPTION NOTICE

     The  undersigned,  the holder of the  foregoing  Warrant,  hereby elects to
exercise  purchase  rights  represented  thereby  and  to  purchase  thereunder,
________ shares of the Common Stock covered by such Warrant,  and herewith makes
payment in full for such shares  pursuant to Section  1.1 of such  Warrant,  and
requests  (a) that  certificates  for such shares (and any other  securities  or
other  property  issuable  upon such  exercise)  be  issued in the name of,  and
delivered to _____________________________________  and (b) if such shares shall
not include all of the shares  issuable as provided in such Warrant,  that a new
warrant of like tenor and date for the balance of the shares issuable thereunder
be delivered to the undersigned.





Date:




                                       13
<PAGE>



                                   ASSIGNMENT


     For value received,  _______________________,  hereby sells,  assigns,  and
transfers unto  _________________________  the within Warrant, together with all
right, title and interest therein,  and does hereby  irrevocably  constitute and
appoint ________________________ attorney, to transfer such Warrant on the books
of the Company, with full power of substitution.





Date:







                                       14




                                 AMENDMENT NO. 1
                                       TO
                          REGISTRATION RIGHTS AGREEMENT


     THIS AMENDMENT NO. 1 TO REGISTRATION RIGHTS AGREEMENT (this "Amendment") is
made as of October 10, 1997,  by and between  Black Warrior  Wireline  Corp.,  a
Delaware  corporation (the "Company"),  and St. James Capital Partners,  L.P., a
Delaware limited partnership (the "Purchaser").

     WHEREAS,  on June 5, 1997,  the Company and the  Purchaser  entered  into a
Registration  Rights Agreement (the "Original  Registration  Rights Agreement"),
pursuant to which the Company granted the Purchaser certain  registration rights
in respect of the Shares (as such term is defined in the  Original  Registration
Rights Agreement);

     WHEREAS,  on June 5,  1997,  the  Purchaser  acquired  from the  Company  a
Convertible  Promissory Note (the "Original  Convertible  Note") in the original
principal  amount of $2,000,000,  which is convertible into the number of shares
as set forth in the Original  Convertible  Note (the "Original  Convertible Note
Shares") of the Company's  common stock, par value $.0005 per share (the "Common
Stock");

     WHEREAS,  on June 5, 1997, the Company issued  Warrants to Purchase  Common
Stock of the Company  (the  "Original  Warrants")  to Purchaser in respect of an
aggregate of 666,000 shares of Common Stock (the "Original Warrant Shares");

     WHEREAS, pursuant to the terms of the Agreement for Purchase and Sale dated
as of the date hereof between the Company and the  Purchaser,  the Purchaser has
agreed  to  purchase  a 7%  Convertible  Promissory  Note  from the  Company  to
Purchaser  dated as of the date  hereof,  in the  original  principal  amount of
$2,900,000  (the "New  Note"),  which is  convertible  into shares of the Common
Stock (the "New Note Shares");

     WHEREAS,  as of the date hereof,  the Purchaser  issued  Warrants (the "New
Warrants") to the  Purchaser,  which may be exercised to purchase  shares of the
Common  Stock,  at $4.6327 per share,  subject to  adjustment  (the "New Warrant
Shares");

     WHEREAS,  the Company  wishes to grant the Purchaser  certain  registration
rights in respect of the  Original  Convertible  Note  Shares,  the New  Warrant
Shares and the New Note Shares, as set forth herein;

     WHEREAS,  the  Company  wishes to amend the  Original  Registration  Rights
Agreement as set forth herein;

     NOW,  THEREFORE,  in consideration of the mutual promises and covenants set
forth herein, the parties hereby agree as follows:


<PAGE>

     1. Each reference in the body of the Original Registration Rights Agreement
to the Shares shall  hereafter  refer to,  collectively,  the  Original  Warrant
Shares,  the Original  Convertible Note Shares,  the New Note Shares and the New
Warrant Shares.

     2. Each reference in the body of the Original Registration Rights Agreement
to Warrants shall hereafter refer to,  collectively,  the Original  Warrants and
the New Warrants.

     3.  Section 1.3 of the  Original  Registration  Rights  Agreement  shall be
revised to read in its entirety as follows:

          "1.3 "Registrable  Securities" shall mean (i) the Shares; and (ii) any
     Common Stock issued or issuable at any time or from time to time in respect
     of the Shares upon a stock split, stock dividend, recapitalization or other
     similar  event  involving  the  Company  until such  Shares are  registered
     pursuant to a  Registration  Statement or the exemption  from  registration
     under Rule 144(k) (or successor Rule) under the Securities Act is available
     with respect to the Shares."

     4. The  reference  to "1997,"  in the first  line of  Section  2.1.1 of the
Original Registration Rights Agreement shall be deleted.

     5. By their execution of this Amendment, both the Company and the Purchaser
agree to be a party to,  and bound by,  the terms of the  Original  Registration
Rights Agreement, as amended by this Amendment.

     6. This  Amendment  shall be  governed  in all  respects by the laws of the
State of Delaware.

     7. All other  terms and  conditions  of the  Original  Registration  Rights
Agreement shall be and remain the same and in full force and effect.

     8. Capitalized  terms used but not otherwise  defined herein shall have the
meaning given them in the Original Registration Rights Agreement.

     9. This  Amendment may be executed in any number of  counterparts,  each of
which  shall  be  enforceable   against  the  parties  actually  executing  such
counterparts, and all of which together shall constitute one instrument.




                      [THIS SPACE INTENTIONALLY LEFT BLANK]


                                       2
<PAGE>



                          THE COMPANY'S SIGNATURE PAGE


          IN WITNESS WHEREOF,  the Company has executed this Amendment effective
     upon the date first set forth above.




                                                BLACK WARRIOR WIRELINE CORP.



                                                By:
                                                   William L. Jenkins, President




                                       3
<PAGE>



                         THE PURCHASER'S SIGNATURE PAGE

     IN WITNESS WHEREOF,  the Purchaser has signed this Amendment as of the date
first written above.

ST. JAMES CAPITAL PARTNERS, L.P.

By: St. James Capital Corp., its General Partner



By:
Jay Brown, Vice President








                                       4


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